Home / 992,323,765.52-1,369,364,845.82-540,192,332.38

Finding the Fourth Proportional to 992,323,765.52, 1,369,364,845.82 and 540,192,332.38

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Solution

The fourth proportional to 992,323,765.52, 1,369,364,845.82 and 540,192,332.38 is: 745,442,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,323,765.52 : 1,369,364,845.82 = 540,192,332.38 : x
  2. Step 2: Convert to fraction form
    992,323,765.52/1,369,364,845.82 = 540,192,332.38/x
  3. Step 3: Cross multiply
    992,323,765.52x = 1,369,364,845.82 × 540,192,332.38
  4. Step 4: Simplify right side
    992,323,765.52x = 739,720,389,942,684,800
  5. Step 5: Solve for x
    x = 739,720,389,942,684,800/992,323,765.52
  6. Step 6: Final answer
    x = 745,442,581.99

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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.