Home / 770,606,847.10-1,063,437,456.05-418,182,837.30

Finding the Fourth Proportional to 770,606,847.10, 1,063,437,456.05 and 418,182,837.30

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Solution

The fourth proportional to 770,606,847.10, 1,063,437,456.05 and 418,182,837.30 is: 577,092,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,606,847.10 : 1,063,437,456.05 = 418,182,837.30 : x
  2. Step 2: Convert to fraction form
    770,606,847.10/1,063,437,456.05 = 418,182,837.30/x
  3. Step 3: Cross multiply
    770,606,847.10x = 1,063,437,456.05 × 418,182,837.30
  4. Step 4: Simplify right side
    770,606,847.10x = 444,711,292,662,083,072
  5. Step 5: Solve for x
    x = 444,711,292,662,083,072/770,606,847.10
  6. Step 6: Final answer
    x = 577,092,319.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.