Home / 589,655,999.90-884,483,999.85-521,631,551.90

Finding the Fourth Proportional to 589,655,999.90, 884,483,999.85 and 521,631,551.90

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Solution

The fourth proportional to 589,655,999.90, 884,483,999.85 and 521,631,551.90 is: 782,447,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,655,999.90 : 884,483,999.85 = 521,631,551.90 : x
  2. Step 2: Convert to fraction form
    589,655,999.90/884,483,999.85 = 521,631,551.90/x
  3. Step 3: Cross multiply
    589,655,999.90x = 884,483,999.85 × 521,631,551.90
  4. Step 4: Simplify right side
    589,655,999.90x = 461,374,761,472,474,880
  5. Step 5: Solve for x
    x = 461,374,761,472,474,880/589,655,999.90
  6. Step 6: Final answer
    x = 782,447,327.85

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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.