Home / 442,607,953.59-663,866,433.82-147,471,196.42

Finding the Fourth Proportional to 442,607,953.59, 663,866,433.82 and 147,471,196.42

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Solution

The fourth proportional to 442,607,953.59, 663,866,433.82 and 147,471,196.42 is: 221,191,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,607,953.59 : 663,866,433.82 = 147,471,196.42 : x
  2. Step 2: Convert to fraction form
    442,607,953.59/663,866,433.82 = 147,471,196.42/x
  3. Step 3: Cross multiply
    442,607,953.59x = 663,866,433.82 × 147,471,196.42
  4. Step 4: Simplify right side
    442,607,953.59x = 97,901,177,258,779,632
  5. Step 5: Solve for x
    x = 97,901,177,258,779,632/442,607,953.59
  6. Step 6: Final answer
    x = 221,191,635.77

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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.