Home / 278,316,228.60-417,474,342.90-262,443,857.40

Finding the Fourth Proportional to 278,316,228.60, 417,474,342.90 and 262,443,857.40

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Solution

The fourth proportional to 278,316,228.60, 417,474,342.90 and 262,443,857.40 is: 393,665,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,316,228.60 : 417,474,342.90 = 262,443,857.40 : x
  2. Step 2: Convert to fraction form
    278,316,228.60/417,474,342.90 = 262,443,857.40/x
  3. Step 3: Cross multiply
    278,316,228.60x = 417,474,342.90 × 262,443,857.40
  4. Step 4: Simplify right side
    278,316,228.60x = 109,563,576,916,206,304
  5. Step 5: Solve for x
    x = 109,563,576,916,206,304/278,316,228.60
  6. Step 6: Final answer
    x = 393,665,786.10

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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.