Home / 355,740,641.20-490,810,176.12-199,082,856.88

Finding the Fourth Proportional to 355,740,641.20, 490,810,176.12 and 199,082,856.88

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Solution

The fourth proportional to 355,740,641.20, 490,810,176.12 and 199,082,856.88 is: 274,671,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,740,641.20 : 490,810,176.12 = 199,082,856.88 : x
  2. Step 2: Convert to fraction form
    355,740,641.20/490,810,176.12 = 199,082,856.88/x
  3. Step 3: Cross multiply
    355,740,641.20x = 490,810,176.12 × 199,082,856.88
  4. Step 4: Simplify right side
    355,740,641.20x = 97,711,892,047,745,552
  5. Step 5: Solve for x
    x = 97,711,892,047,745,552/355,740,641.20
  6. Step 6: Final answer
    x = 274,671,715.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.