Home / 1,041,806,265.45-1,437,639,849.23-618,438,023.43

Finding the Fourth Proportional to 1,041,806,265.45, 1,437,639,849.23 and 618,438,023.43

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Solution

The fourth proportional to 1,041,806,265.45, 1,437,639,849.23 and 618,438,023.43 is: 853,413,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,806,265.45 : 1,437,639,849.23 = 618,438,023.43 : x
  2. Step 2: Convert to fraction form
    1,041,806,265.45/1,437,639,849.23 = 618,438,023.43/x
  3. Step 3: Cross multiply
    1,041,806,265.45x = 1,437,639,849.23 × 618,438,023.43
  4. Step 4: Simplify right side
    1,041,806,265.45x = 889,091,146,758,912,128
  5. Step 5: Solve for x
    x = 889,091,146,758,912,128/1,041,806,265.45
  6. Step 6: Final answer
    x = 853,413,130.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.