Home / 992,137,391.20-1,369,138,734.84-546,091,217.92

Finding the Fourth Proportional to 992,137,391.20, 1,369,138,734.84 and 546,091,217.92

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Solution

The fourth proportional to 992,137,391.20, 1,369,138,734.84 and 546,091,217.92 is: 753,599,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,137,391.20 : 1,369,138,734.84 = 546,091,217.92 : x
  2. Step 2: Convert to fraction form
    992,137,391.20/1,369,138,734.84 = 546,091,217.92/x
  3. Step 3: Cross multiply
    992,137,391.20x = 1,369,138,734.84 × 546,091,217.92
  4. Step 4: Simplify right side
    992,137,391.20x = 747,674,639,210,223,488
  5. Step 5: Solve for x
    x = 747,674,639,210,223,488/992,137,391.20
  6. Step 6: Final answer
    x = 753,599,900.42

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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.