Home / 921,151,099.17-1,380,320,645.91-546,922,052.40

Finding the Fourth Proportional to 921,151,099.17, 1,380,320,645.91 and 546,922,052.40

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Solution

The fourth proportional to 921,151,099.17, 1,380,320,645.91 and 546,922,052.40 is: 819,548,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,151,099.17 : 1,380,320,645.91 = 546,922,052.40 : x
  2. Step 2: Convert to fraction form
    921,151,099.17/1,380,320,645.91 = 546,922,052.40/x
  3. Step 3: Cross multiply
    921,151,099.17x = 1,380,320,645.91 × 546,922,052.40
  4. Step 4: Simplify right side
    921,151,099.17x = 754,927,800,631,190,912
  5. Step 5: Solve for x
    x = 754,927,800,631,190,912/921,151,099.17
  6. Step 6: Final answer
    x = 819,548,281.83

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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.