Home / 473,642,130.72-710,511,917.76-178,785,613.44

Finding the Fourth Proportional to 473,642,130.72, 710,511,917.76 and 178,785,613.44

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Solution

The fourth proportional to 473,642,130.72, 710,511,917.76 and 178,785,613.44 is: 268,196,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,642,130.72 : 710,511,917.76 = 178,785,613.44 : x
  2. Step 2: Convert to fraction form
    473,642,130.72/710,511,917.76 = 178,785,613.44/x
  3. Step 3: Cross multiply
    473,642,130.72x = 710,511,917.76 × 178,785,613.44
  4. Step 4: Simplify right side
    473,642,130.72x = 127,029,309,073,152,432
  5. Step 5: Solve for x
    x = 127,029,309,073,152,432/473,642,130.72
  6. Step 6: Final answer
    x = 268,196,811.12

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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.