Home / 464,840,934.18-641,472,737.85-256,016,507.64

Finding the Fourth Proportional to 464,840,934.18, 641,472,737.85 and 256,016,507.64

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Solution

The fourth proportional to 464,840,934.18, 641,472,737.85 and 256,016,507.64 is: 353,298,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,840,934.18 : 641,472,737.85 = 256,016,507.64 : x
  2. Step 2: Convert to fraction form
    464,840,934.18/641,472,737.85 = 256,016,507.64/x
  3. Step 3: Cross multiply
    464,840,934.18x = 641,472,737.85 × 256,016,507.64
  4. Step 4: Simplify right side
    464,840,934.18x = 164,227,610,090,626,240
  5. Step 5: Solve for x
    x = 164,227,610,090,626,240/464,840,934.18
  6. Step 6: Final answer
    x = 353,298,511.42

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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.