Home / 372,592,972.70-558,889,459.05-370,042,055.90

Finding the Fourth Proportional to 372,592,972.70, 558,889,459.05 and 370,042,055.90

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Solution

The fourth proportional to 372,592,972.70, 558,889,459.05 and 370,042,055.90 is: 555,063,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,592,972.70 : 558,889,459.05 = 370,042,055.90 : x
  2. Step 2: Convert to fraction form
    372,592,972.70/558,889,459.05 = 370,042,055.90/x
  3. Step 3: Cross multiply
    372,592,972.70x = 558,889,459.05 × 370,042,055.90
  4. Step 4: Simplify right side
    372,592,972.70x = 206,812,604,447,700,832
  5. Step 5: Solve for x
    x = 206,812,604,447,700,832/372,592,972.70
  6. Step 6: Final answer
    x = 555,063,083.85

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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.