Home / 8,007,422,459.10-12,011,133,688.65-6,646,933,499.10

Finding the Fourth Proportional to 8,007,422,459.10, 12,011,133,688.65 and 6,646,933,499.10

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Solution

The fourth proportional to 8,007,422,459.10, 12,011,133,688.65 and 6,646,933,499.10 is: 9,970,400,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,422,459.10 : 12,011,133,688.65 = 6,646,933,499.10 : x
  2. Step 2: Convert to fraction form
    8,007,422,459.10/12,011,133,688.65 = 6,646,933,499.10/x
  3. Step 3: Cross multiply
    8,007,422,459.10x = 12,011,133,688.65 × 6,646,933,499.10
  4. Step 4: Simplify right side
    8,007,422,459.10x = 79,837,206,877,256,237,056
  5. Step 5: Solve for x
    x = 79,837,206,877,256,237,056/8,007,422,459.10
  6. Step 6: Final answer
    x = 9,970,400,248.65

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Double scale
Find fourth proportional to 8,007,422,460.10, 12,011,133,690.15 and 6,646,933,500.10
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.