Home / 372,290,650.20-557,428,205.70-291,669,082.20

Finding the Fourth Proportional to 372,290,650.20, 557,428,205.70 and 291,669,082.20

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Solution

The fourth proportional to 372,290,650.20, 557,428,205.70 and 291,669,082.20 is: 436,714,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,290,650.20 : 557,428,205.70 = 291,669,082.20 : x
  2. Step 2: Convert to fraction form
    372,290,650.20/557,428,205.70 = 291,669,082.20/x
  3. Step 3: Cross multiply
    372,290,650.20x = 557,428,205.70 × 291,669,082.20
  4. Step 4: Simplify right side
    372,290,650.20x = 162,584,573,148,911,808
  5. Step 5: Solve for x
    x = 162,584,573,148,911,808/372,290,650.20
  6. Step 6: Final answer
    x = 436,714,091.70

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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.