Home / 461,862,334.98-693,021,125.43-216,235,602.18

Finding the Fourth Proportional to 461,862,334.98, 693,021,125.43 and 216,235,602.18

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Solution

The fourth proportional to 461,862,334.98, 693,021,125.43 and 216,235,602.18 is: 324,459,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,862,334.98 : 693,021,125.43 = 216,235,602.18 : x
  2. Step 2: Convert to fraction form
    461,862,334.98/693,021,125.43 = 216,235,602.18/x
  3. Step 3: Cross multiply
    461,862,334.98x = 693,021,125.43 × 216,235,602.18
  4. Step 4: Simplify right side
    461,862,334.98x = 149,855,840,380,817,344
  5. Step 5: Solve for x
    x = 149,855,840,380,817,344/461,862,334.98
  6. Step 6: Final answer
    x = 324,459,972.23

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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.