Home / 1,273,840,545.28-1,910,075,845.92-749,390,946.88

Finding the Fourth Proportional to 1,273,840,545.28, 1,910,075,845.92 and 749,390,946.88

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Solution

The fourth proportional to 1,273,840,545.28, 1,910,075,845.92 and 749,390,946.88 is: 1,123,683,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,840,545.28 : 1,910,075,845.92 = 749,390,946.88 : x
  2. Step 2: Convert to fraction form
    1,273,840,545.28/1,910,075,845.92 = 749,390,946.88/x
  3. Step 3: Cross multiply
    1,273,840,545.28x = 1,910,075,845.92 × 749,390,946.88
  4. Step 4: Simplify right side
    1,273,840,545.28x = 1,431,393,546,786,605,824
  5. Step 5: Solve for x
    x = 1,431,393,546,786,605,824/1,273,840,545.28
  6. Step 6: Final answer
    x = 1,123,683,456.37

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1.5x scale

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.