Home / 398,668,860.60-597,885,326.10-156,192,214.20

Finding the Fourth Proportional to 398,668,860.60, 597,885,326.10 and 156,192,214.20

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Solution

The fourth proportional to 398,668,860.60, 597,885,326.10 and 156,192,214.20 is: 234,242,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,668,860.60 : 597,885,326.10 = 156,192,214.20 : x
  2. Step 2: Convert to fraction form
    398,668,860.60/597,885,326.10 = 156,192,214.20/x
  3. Step 3: Cross multiply
    398,668,860.60x = 597,885,326.10 × 156,192,214.20
  4. Step 4: Simplify right side
    398,668,860.60x = 93,385,032,921,248,048
  5. Step 5: Solve for x
    x = 93,385,032,921,248,048/398,668,860.60
  6. Step 6: Final answer
    x = 234,242,104.54

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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.