Home / 765,012,796.20-1,145,606,006.70-611,957,788.20

Finding the Fourth Proportional to 765,012,796.20, 1,145,606,006.70 and 611,957,788.20

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Solution

The fourth proportional to 765,012,796.20, 1,145,606,006.70 and 611,957,788.20 is: 916,406,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,012,796.20 : 1,145,606,006.70 = 611,957,788.20 : x
  2. Step 2: Convert to fraction form
    765,012,796.20/1,145,606,006.70 = 611,957,788.20/x
  3. Step 3: Cross multiply
    765,012,796.20x = 1,145,606,006.70 × 611,957,788.20
  4. Step 4: Simplify right side
    765,012,796.20x = 701,062,518,008,766,464
  5. Step 5: Solve for x
    x = 701,062,518,008,766,464/765,012,796.20
  6. Step 6: Final answer
    x = 916,406,263.39

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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.