Home / 1,155,440,779.20-1,733,385,117.60-581,012,107.20

Finding the Fourth Proportional to 1,155,440,779.20, 1,733,385,117.60 and 581,012,107.20

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Solution

The fourth proportional to 1,155,440,779.20, 1,733,385,117.60 and 581,012,107.20 is: 871,630,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,440,779.20 : 1,733,385,117.60 = 581,012,107.20 : x
  2. Step 2: Convert to fraction form
    1,155,440,779.20/1,733,385,117.60 = 581,012,107.20/x
  3. Step 3: Cross multiply
    1,155,440,779.20x = 1,733,385,117.60 × 581,012,107.20
  4. Step 4: Simplify right side
    1,155,440,779.20x = 1,007,117,739,765,895,808
  5. Step 5: Solve for x
    x = 1,007,117,739,765,895,808/1,155,440,779.20
  6. Step 6: Final answer
    x = 871,630,773.20

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Double scale
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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.