Home / 625,821,681.60-938,732,522.40-462,563,006.40

Finding the Fourth Proportional to 625,821,681.60, 938,732,522.40 and 462,563,006.40

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Solution

The fourth proportional to 625,821,681.60, 938,732,522.40 and 462,563,006.40 is: 693,844,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,821,681.60 : 938,732,522.40 = 462,563,006.40 : x
  2. Step 2: Convert to fraction form
    625,821,681.60/938,732,522.40 = 462,563,006.40/x
  3. Step 3: Cross multiply
    625,821,681.60x = 938,732,522.40 × 462,563,006.40
  4. Step 4: Simplify right side
    625,821,681.60x = 434,222,937,766,799,296
  5. Step 5: Solve for x
    x = 434,222,937,766,799,296/625,821,681.60
  6. Step 6: Final answer
    x = 693,844,509.60

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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.