Home / 629,498,386.72-868,708,610.45-347,234,460.40

Finding the Fourth Proportional to 629,498,386.72, 868,708,610.45 and 347,234,460.40

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Solution

The fourth proportional to 629,498,386.72, 868,708,610.45 and 347,234,460.40 is: 479,184,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,498,386.72 : 868,708,610.45 = 347,234,460.40 : x
  2. Step 2: Convert to fraction form
    629,498,386.72/868,708,610.45 = 347,234,460.40/x
  3. Step 3: Cross multiply
    629,498,386.72x = 868,708,610.45 × 347,234,460.40
  4. Step 4: Simplify right side
    629,498,386.72x = 301,645,565,594,439,552
  5. Step 5: Solve for x
    x = 301,645,565,594,439,552/629,498,386.72
  6. Step 6: Final answer
    x = 479,184,016.92

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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.