Home / 578,079,148.74-797,747,204.70-313,761,127.29

Finding the Fourth Proportional to 578,079,148.74, 797,747,204.70 and 313,761,127.29

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Solution

The fourth proportional to 578,079,148.74, 797,747,204.70 and 313,761,127.29 is: 432,989,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,079,148.74 : 797,747,204.70 = 313,761,127.29 : x
  2. Step 2: Convert to fraction form
    578,079,148.74/797,747,204.70 = 313,761,127.29/x
  3. Step 3: Cross multiply
    578,079,148.74x = 797,747,204.70 × 313,761,127.29
  4. Step 4: Simplify right side
    578,079,148.74x = 250,302,062,239,118,432
  5. Step 5: Solve for x
    x = 250,302,062,239,118,432/578,079,148.74
  6. Step 6: Final answer
    x = 432,989,258.97

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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.