Home / 578,079,142.74-797,747,196.42-313,761,121.29

Finding the Fourth Proportional to 578,079,142.74, 797,747,196.42 and 313,761,121.29

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Solution

The fourth proportional to 578,079,142.74, 797,747,196.42 and 313,761,121.29 is: 432,989,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,079,142.74 : 797,747,196.42 = 313,761,121.29 : x
  2. Step 2: Convert to fraction form
    578,079,142.74/797,747,196.42 = 313,761,121.29/x
  3. Step 3: Cross multiply
    578,079,142.74x = 797,747,196.42 × 313,761,121.29
  4. Step 4: Simplify right side
    578,079,142.74x = 250,302,054,854,693,088
  5. Step 5: Solve for x
    x = 250,302,054,854,693,088/578,079,142.74
  6. Step 6: Final answer
    x = 432,989,250.69

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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.