Home / 658,119,901.60-987,179,852.40-166,832,221.60

Finding the Fourth Proportional to 658,119,901.60, 987,179,852.40 and 166,832,221.60

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Solution

The fourth proportional to 658,119,901.60, 987,179,852.40 and 166,832,221.60 is: 250,248,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,119,901.60 : 987,179,852.40 = 166,832,221.60 : x
  2. Step 2: Convert to fraction form
    658,119,901.60/987,179,852.40 = 166,832,221.60/x
  3. Step 3: Cross multiply
    658,119,901.60x = 987,179,852.40 × 166,832,221.60
  4. Step 4: Simplify right side
    658,119,901.60x = 164,693,407,894,652,096
  5. Step 5: Solve for x
    x = 164,693,407,894,652,096/658,119,901.60
  6. Step 6: Final answer
    x = 250,248,332.40

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Double scale
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Similar ratio
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1.5x scale

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.