Home / 1,236,974,818.60-1,856,806,737.66-500,551,674.28

Finding the Fourth Proportional to 1,236,974,818.60, 1,856,806,737.66 and 500,551,674.28

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Solution

The fourth proportional to 1,236,974,818.60, 1,856,806,737.66 and 500,551,674.28 is: 751,371,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,974,818.60 : 1,856,806,737.66 = 500,551,674.28 : x
  2. Step 2: Convert to fraction form
    1,236,974,818.60/1,856,806,737.66 = 500,551,674.28/x
  3. Step 3: Cross multiply
    1,236,974,818.60x = 1,856,806,737.66 × 500,551,674.28
  4. Step 4: Simplify right side
    1,236,974,818.60x = 929,427,721,350,097,664
  5. Step 5: Solve for x
    x = 929,427,721,350,097,664/1,236,974,818.60
  6. Step 6: Final answer
    x = 751,371,577.96

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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.