Home / 723,064,194.90-997,829,231.94-393,039,333.90

Finding the Fourth Proportional to 723,064,194.90, 997,829,231.94 and 393,039,333.90

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Solution

The fourth proportional to 723,064,194.90, 997,829,231.94 and 393,039,333.90 is: 542,394,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,064,194.90 : 997,829,231.94 = 393,039,333.90 : x
  2. Step 2: Convert to fraction form
    723,064,194.90/997,829,231.94 = 393,039,333.90/x
  3. Step 3: Cross multiply
    723,064,194.90x = 997,829,231.94 × 393,039,333.90
  4. Step 4: Simplify right side
    723,064,194.90x = 392,186,136,667,646,208
  5. Step 5: Solve for x
    x = 392,186,136,667,646,208/723,064,194.90
  6. Step 6: Final answer
    x = 542,394,630.29

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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.