Home / 874,179,134.92-1,206,435,998.82-497,851,653.16

Finding the Fourth Proportional to 874,179,134.92, 1,206,435,998.82 and 497,851,653.16

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Solution

The fourth proportional to 874,179,134.92, 1,206,435,998.82 and 497,851,653.16 is: 687,074,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,179,134.92 : 1,206,435,998.82 = 497,851,653.16 : x
  2. Step 2: Convert to fraction form
    874,179,134.92/1,206,435,998.82 = 497,851,653.16/x
  3. Step 3: Cross multiply
    874,179,134.92x = 1,206,435,998.82 × 497,851,653.16
  4. Step 4: Simplify right side
    874,179,134.92x = 600,626,156,444,272,768
  5. Step 5: Solve for x
    x = 600,626,156,444,272,768/874,179,134.92
  6. Step 6: Final answer
    x = 687,074,459.29

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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.