Home / 278,316,168.30-417,474,252.45-254,082,458.70

Finding the Fourth Proportional to 278,316,168.30, 417,474,252.45 and 254,082,458.70

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Solution

The fourth proportional to 278,316,168.30, 417,474,252.45 and 254,082,458.70 is: 381,123,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,316,168.30 : 417,474,252.45 = 254,082,458.70 : x
  2. Step 2: Convert to fraction form
    278,316,168.30/417,474,252.45 = 254,082,458.70/x
  3. Step 3: Cross multiply
    278,316,168.30x = 417,474,252.45 × 254,082,458.70
  4. Step 4: Simplify right side
    278,316,168.30x = 106,072,884,506,440,496
  5. Step 5: Solve for x
    x = 106,072,884,506,440,496/278,316,168.30
  6. Step 6: Final answer
    x = 381,123,688.05

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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.