Home / 372,101,189.50-557,537,631.51-216,217,426.87

Finding the Fourth Proportional to 372,101,189.50, 557,537,631.51 and 216,217,426.87

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Solution

The fourth proportional to 372,101,189.50, 557,537,631.51 and 216,217,426.87 is: 323,969,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,101,189.50 : 557,537,631.51 = 216,217,426.87 : x
  2. Step 2: Convert to fraction form
    372,101,189.50/557,537,631.51 = 216,217,426.87/x
  3. Step 3: Cross multiply
    372,101,189.50x = 557,537,631.51 × 216,217,426.87
  4. Step 4: Simplify right side
    372,101,189.50x = 120,549,352,068,286,432
  5. Step 5: Solve for x
    x = 120,549,352,068,286,432/372,101,189.50
  6. Step 6: Final answer
    x = 323,969,273.60

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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.