Home / 961,803,561.62-1,327,176,940.41-538,440,405.59

Finding the Fourth Proportional to 961,803,561.62, 1,327,176,940.41 and 538,440,405.59

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Solution

The fourth proportional to 961,803,561.62, 1,327,176,940.41 and 538,440,405.59 is: 742,985,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,803,561.62 : 1,327,176,940.41 = 538,440,405.59 : x
  2. Step 2: Convert to fraction form
    961,803,561.62/1,327,176,940.41 = 538,440,405.59/x
  3. Step 3: Cross multiply
    961,803,561.62x = 1,327,176,940.41 × 538,440,405.59
  4. Step 4: Simplify right side
    961,803,561.62x = 714,605,690,077,419,904
  5. Step 5: Solve for x
    x = 714,605,690,077,419,904/961,803,561.62
  6. Step 6: Final answer
    x = 742,985,073.66

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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.