Home / 1,308,623,753.52-1,805,871,714.12-721,912,734

Finding the Fourth Proportional to 1,308,623,753.52, 1,805,871,714.12 and 721,912,734

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Solution

The fourth proportional to 1,308,623,753.52, 1,805,871,714.12 and 721,912,734 is: 996,223,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,623,753.52 : 1,805,871,714.12 = 721,912,734 : x
  2. Step 2: Convert to fraction form
    1,308,623,753.52/1,805,871,714.12 = 721,912,734/x
  3. Step 3: Cross multiply
    1,308,623,753.52x = 1,805,871,714.12 × 721,912,734
  4. Step 4: Simplify right side
    1,308,623,753.52x = 1,303,681,786,393,635,584
  5. Step 5: Solve for x
    x = 1,303,681,786,393,635,584/1,308,623,753.52
  6. Step 6: Final answer
    x = 996,223,538.57

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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.