Home / 1,220,925,287,121.70-1,831,661,074,210.30-372,048,253,717.50

Finding the Fourth Proportional to 1,220,925,287,121.70, 1,831,661,074,210.30 and 372,048,253,717.50

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Solution

The fourth proportional to 1,220,925,287,121.70, 1,831,661,074,210.30 and 372,048,253,717.50 is: 558,155,614,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,925,287,121.70 : 1,831,661,074,210.30 = 372,048,253,717.50 : x
  2. Step 2: Convert to fraction form
    1,220,925,287,121.70/1,831,661,074,210.30 = 372,048,253,717.50/x
  3. Step 3: Cross multiply
    1,220,925,287,121.70x = 1,831,661,074,210.30 × 372,048,253,717.50
  4. Step 4: Simplify right side
    1,220,925,287,121.70x = 681,466,304,062,262,272,327,680
  5. Step 5: Solve for x
    x = 681,466,304,062,262,272,327,680/1,220,925,287,121.70
  6. Step 6: Final answer
    x = 558,155,614,639.45

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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.