Home / 412,046,572.20-618,069,858.30-153,208,233.15

Finding the Fourth Proportional to 412,046,572.20, 618,069,858.30 and 153,208,233.15

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Solution

The fourth proportional to 412,046,572.20, 618,069,858.30 and 153,208,233.15 is: 229,812,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,046,572.20 : 618,069,858.30 = 153,208,233.15 : x
  2. Step 2: Convert to fraction form
    412,046,572.20/618,069,858.30 = 153,208,233.15/x
  3. Step 3: Cross multiply
    412,046,572.20x = 618,069,858.30 × 153,208,233.15
  4. Step 4: Simplify right side
    412,046,572.20x = 94,693,390,953,413,856
  5. Step 5: Solve for x
    x = 94,693,390,953,413,856/412,046,572.20
  6. Step 6: Final answer
    x = 229,812,349.73

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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.