Home / 874,179,133.92-1,206,435,997.44-497,851,652.16

Finding the Fourth Proportional to 874,179,133.92, 1,206,435,997.44 and 497,851,652.16

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Solution

The fourth proportional to 874,179,133.92, 1,206,435,997.44 and 497,851,652.16 is: 687,074,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,179,133.92 : 1,206,435,997.44 = 497,851,652.16 : x
  2. Step 2: Convert to fraction form
    874,179,133.92/1,206,435,997.44 = 497,851,652.16/x
  3. Step 3: Cross multiply
    874,179,133.92x = 1,206,435,997.44 × 497,851,652.16
  4. Step 4: Simplify right side
    874,179,133.92x = 600,626,154,550,801,536
  5. Step 5: Solve for x
    x = 600,626,154,550,801,536/874,179,133.92
  6. Step 6: Final answer
    x = 687,074,457.91

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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.