Home / 473,641,957.36-710,511,658.62-178,785,440.38

Finding the Fourth Proportional to 473,641,957.36, 710,511,658.62 and 178,785,440.38

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Solution

The fourth proportional to 473,641,957.36, 710,511,658.62 and 178,785,440.38 is: 268,196,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,641,957.36 : 710,511,658.62 = 178,785,440.38 : x
  2. Step 2: Convert to fraction form
    473,641,957.36/710,511,658.62 = 178,785,440.38/x
  3. Step 3: Cross multiply
    473,641,957.36x = 710,511,658.62 × 178,785,440.38
  4. Step 4: Simplify right side
    473,641,957.36x = 127,029,139,781,500,928
  5. Step 5: Solve for x
    x = 127,029,139,781,500,928/473,641,957.36
  6. Step 6: Final answer
    x = 268,196,551.86

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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.