Home / 424,375,984.90-636,563,977.35-404,287,515.10

Finding the Fourth Proportional to 424,375,984.90, 636,563,977.35 and 404,287,515.10

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Solution

The fourth proportional to 424,375,984.90, 636,563,977.35 and 404,287,515.10 is: 606,431,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,375,984.90 : 636,563,977.35 = 404,287,515.10 : x
  2. Step 2: Convert to fraction form
    424,375,984.90/636,563,977.35 = 404,287,515.10/x
  3. Step 3: Cross multiply
    424,375,984.90x = 636,563,977.35 × 404,287,515.10
  4. Step 4: Simplify right side
    424,375,984.90x = 257,354,868,605,004,192
  5. Step 5: Solve for x
    x = 257,354,868,605,004,192/424,375,984.90
  6. Step 6: Final answer
    x = 606,431,272.65

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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.