Home / 923,215,138.88-1,274,047,169.64-499,838,026.38

Finding the Fourth Proportional to 923,215,138.88, 1,274,047,169.64 and 499,838,026.38

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Solution

The fourth proportional to 923,215,138.88, 1,274,047,169.64 and 499,838,026.38 is: 689,782,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,215,138.88 : 1,274,047,169.64 = 499,838,026.38 : x
  2. Step 2: Convert to fraction form
    923,215,138.88/1,274,047,169.64 = 499,838,026.38/x
  3. Step 3: Cross multiply
    923,215,138.88x = 1,274,047,169.64 × 499,838,026.38
  4. Step 4: Simplify right side
    923,215,138.88x = 636,817,222,787,882,752
  5. Step 5: Solve for x
    x = 636,817,222,787,882,752/923,215,138.88
  6. Step 6: Final answer
    x = 689,782,041.01

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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.