Home / 424,375,657.40-636,563,486.10-404,287,187.60

Finding the Fourth Proportional to 424,375,657.40, 636,563,486.10 and 404,287,187.60

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Solution

The fourth proportional to 424,375,657.40, 636,563,486.10 and 404,287,187.60 is: 606,430,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,375,657.40 : 636,563,486.10 = 404,287,187.60 : x
  2. Step 2: Convert to fraction form
    424,375,657.40/636,563,486.10 = 404,287,187.60/x
  3. Step 3: Cross multiply
    424,375,657.40x = 636,563,486.10 × 404,287,187.60
  4. Step 4: Simplify right side
    424,375,657.40x = 257,354,461,524,220,704
  5. Step 5: Solve for x
    x = 257,354,461,524,220,704/424,375,657.40
  6. Step 6: Final answer
    x = 606,430,781.40

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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.