Home / 398,668,898.60-597,885,383.10-156,192,252.20

Finding the Fourth Proportional to 398,668,898.60, 597,885,383.10 and 156,192,252.20

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Solution

The fourth proportional to 398,668,898.60, 597,885,383.10 and 156,192,252.20 is: 234,242,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,668,898.60 : 597,885,383.10 = 156,192,252.20 : x
  2. Step 2: Convert to fraction form
    398,668,898.60/597,885,383.10 = 156,192,252.20/x
  3. Step 3: Cross multiply
    398,668,898.60x = 597,885,383.10 × 156,192,252.20
  4. Step 4: Simplify right side
    398,668,898.60x = 93,385,064,543,848,816
  5. Step 5: Solve for x
    x = 93,385,064,543,848,816/398,668,898.60
  6. Step 6: Final answer
    x = 234,242,161.53

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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.