Home / 1,120,404,700.20-1,680,607,050.30-713,265,781.80

Finding the Fourth Proportional to 1,120,404,700.20, 1,680,607,050.30 and 713,265,781.80

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Solution

The fourth proportional to 1,120,404,700.20, 1,680,607,050.30 and 713,265,781.80 is: 1,069,898,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,404,700.20 : 1,680,607,050.30 = 713,265,781.80 : x
  2. Step 2: Convert to fraction form
    1,120,404,700.20/1,680,607,050.30 = 713,265,781.80/x
  3. Step 3: Cross multiply
    1,120,404,700.20x = 1,680,607,050.30 × 713,265,781.80
  4. Step 4: Simplify right side
    1,120,404,700.20x = 1,198,719,501,630,821,376
  5. Step 5: Solve for x
    x = 1,198,719,501,630,821,376/1,120,404,700.20
  6. Step 6: Final answer
    x = 1,069,898,672.70

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Double scale
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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.