Home / 473,641,956.36-710,511,657.12-178,785,439.38

Finding the Fourth Proportional to 473,641,956.36, 710,511,657.12 and 178,785,439.38

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Solution

The fourth proportional to 473,641,956.36, 710,511,657.12 and 178,785,439.38 is: 268,196,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,641,956.36 : 710,511,657.12 = 178,785,439.38 : x
  2. Step 2: Convert to fraction form
    473,641,956.36/710,511,657.12 = 178,785,439.38/x
  3. Step 3: Cross multiply
    473,641,956.36x = 710,511,657.12 × 178,785,439.38
  4. Step 4: Simplify right side
    473,641,956.36x = 127,029,138,802,811,104
  5. Step 5: Solve for x
    x = 127,029,138,802,811,104/473,641,956.36
  6. Step 6: Final answer
    x = 268,196,550.36

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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.