Home / 757,374,420.30-1,136,061,630.45-349,227,732.30

Finding the Fourth Proportional to 757,374,420.30, 1,136,061,630.45 and 349,227,732.30

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Solution

The fourth proportional to 757,374,420.30, 1,136,061,630.45 and 349,227,732.30 is: 523,841,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,374,420.30 : 1,136,061,630.45 = 349,227,732.30 : x
  2. Step 2: Convert to fraction form
    757,374,420.30/1,136,061,630.45 = 349,227,732.30/x
  3. Step 3: Cross multiply
    757,374,420.30x = 1,136,061,630.45 × 349,227,732.30
  4. Step 4: Simplify right side
    757,374,420.30x = 396,744,226,955,094,144
  5. Step 5: Solve for x
    x = 396,744,226,955,094,144/757,374,420.30
  6. Step 6: Final answer
    x = 523,841,598.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.