Home / 8,007,422,519.60-12,011,133,779.40-6,646,933,559.60

Finding the Fourth Proportional to 8,007,422,519.60, 12,011,133,779.40 and 6,646,933,559.60

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Solution

The fourth proportional to 8,007,422,519.60, 12,011,133,779.40 and 6,646,933,559.60 is: 9,970,400,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,422,519.60 : 12,011,133,779.40 = 6,646,933,559.60 : x
  2. Step 2: Convert to fraction form
    8,007,422,519.60/12,011,133,779.40 = 6,646,933,559.60/x
  3. Step 3: Cross multiply
    8,007,422,519.60x = 12,011,133,779.40 × 6,646,933,559.60
  4. Step 4: Simplify right side
    8,007,422,519.60x = 79,837,208,207,139,045,376
  5. Step 5: Solve for x
    x = 79,837,208,207,139,045,376/8,007,422,519.60
  6. Step 6: Final answer
    x = 9,970,400,339.40

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Half scale
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Double scale
Find fourth proportional to 8,007,422,520.60, 12,011,133,780.90 and 6,646,933,560.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.