Home / 661,569,271.30-992,353,906.95-558,257,140.90

Finding the Fourth Proportional to 661,569,271.30, 992,353,906.95 and 558,257,140.90

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Solution

The fourth proportional to 661,569,271.30, 992,353,906.95 and 558,257,140.90 is: 837,385,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,569,271.30 : 992,353,906.95 = 558,257,140.90 : x
  2. Step 2: Convert to fraction form
    661,569,271.30/992,353,906.95 = 558,257,140.90/x
  3. Step 3: Cross multiply
    661,569,271.30x = 992,353,906.95 × 558,257,140.90
  4. Step 4: Simplify right side
    661,569,271.30x = 553,988,654,854,851,648
  5. Step 5: Solve for x
    x = 553,988,654,854,851,648/661,569,271.30
  6. Step 6: Final answer
    x = 837,385,711.35

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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.