Home / 957,720,876.52-1,321,654,225.08-517,687,728.52

Finding the Fourth Proportional to 957,720,876.52, 1,321,654,225.08 and 517,687,728.52

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Solution

The fourth proportional to 957,720,876.52, 1,321,654,225.08 and 517,687,728.52 is: 714,408,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,720,876.52 : 1,321,654,225.08 = 517,687,728.52 : x
  2. Step 2: Convert to fraction form
    957,720,876.52/1,321,654,225.08 = 517,687,728.52/x
  3. Step 3: Cross multiply
    957,720,876.52x = 1,321,654,225.08 × 517,687,728.52
  4. Step 4: Simplify right side
    957,720,876.52x = 684,204,173,670,525,952
  5. Step 5: Solve for x
    x = 684,204,173,670,525,952/957,720,876.52
  6. Step 6: Final answer
    x = 714,408,749.40

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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.