Home / 474,576,795.12-711,605,109.78-146,961,356.88

Finding the Fourth Proportional to 474,576,795.12, 711,605,109.78 and 146,961,356.88

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Solution

The fourth proportional to 474,576,795.12, 711,605,109.78 and 146,961,356.88 is: 220,361,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,576,795.12 : 711,605,109.78 = 146,961,356.88 : x
  2. Step 2: Convert to fraction form
    474,576,795.12/711,605,109.78 = 146,961,356.88/x
  3. Step 3: Cross multiply
    474,576,795.12x = 711,605,109.78 × 146,961,356.88
  4. Step 4: Simplify right side
    474,576,795.12x = 104,578,452,496,010,144
  5. Step 5: Solve for x
    x = 104,578,452,496,010,144/474,576,795.12
  6. Step 6: Final answer
    x = 220,361,495.91

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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.