Home / 728,496,673.62-1,005,312,854.79-410,957,606.22

Finding the Fourth Proportional to 728,496,673.62, 1,005,312,854.79 and 410,957,606.22

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Solution

The fourth proportional to 728,496,673.62, 1,005,312,854.79 and 410,957,606.22 is: 567,114,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,496,673.62 : 1,005,312,854.79 = 410,957,606.22 : x
  2. Step 2: Convert to fraction form
    728,496,673.62/1,005,312,854.79 = 410,957,606.22/x
  3. Step 3: Cross multiply
    728,496,673.62x = 1,005,312,854.79 × 410,957,606.22
  4. Step 4: Simplify right side
    728,496,673.62x = 413,140,964,306,692,864
  5. Step 5: Solve for x
    x = 413,140,964,306,692,864/728,496,673.62
  6. Step 6: Final answer
    x = 567,114,414.20

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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.