Home / 474,576,788.12-711,605,099.28-146,961,349.88

Finding the Fourth Proportional to 474,576,788.12, 711,605,099.28 and 146,961,349.88

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Solution

The fourth proportional to 474,576,788.12, 711,605,099.28 and 146,961,349.88 is: 220,361,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,576,788.12 : 711,605,099.28 = 146,961,349.88 : x
  2. Step 2: Convert to fraction form
    474,576,788.12/711,605,099.28 = 146,961,349.88/x
  3. Step 3: Cross multiply
    474,576,788.12x = 711,605,099.28 × 146,961,349.88
  4. Step 4: Simplify right side
    474,576,788.12x = 104,578,445,971,680,208
  5. Step 5: Solve for x
    x = 104,578,445,971,680,208/474,576,788.12
  6. Step 6: Final answer
    x = 220,361,485.41

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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.