Home / 745,375,603.10-1,118,063,404.65-254,642,983.70

Finding the Fourth Proportional to 745,375,603.10, 1,118,063,404.65 and 254,642,983.70

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Solution

The fourth proportional to 745,375,603.10, 1,118,063,404.65 and 254,642,983.70 is: 381,964,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,375,603.10 : 1,118,063,404.65 = 254,642,983.70 : x
  2. Step 2: Convert to fraction form
    745,375,603.10/1,118,063,404.65 = 254,642,983.70/x
  3. Step 3: Cross multiply
    745,375,603.10x = 1,118,063,404.65 × 254,642,983.70
  4. Step 4: Simplify right side
    745,375,603.10x = 284,707,001,325,856,480
  5. Step 5: Solve for x
    x = 284,707,001,325,856,480/745,375,603.10
  6. Step 6: Final answer
    x = 381,964,475.55

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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.