Home / 984,825,823.70-1,359,091,854.78-538,778,839.88

Finding the Fourth Proportional to 984,825,823.70, 1,359,091,854.78 and 538,778,839.88

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Solution

The fourth proportional to 984,825,823.70, 1,359,091,854.78 and 538,778,839.88 is: 743,532,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,825,823.70 : 1,359,091,854.78 = 538,778,839.88 : x
  2. Step 2: Convert to fraction form
    984,825,823.70/1,359,091,854.78 = 538,778,839.88/x
  3. Step 3: Cross multiply
    984,825,823.70x = 1,359,091,854.78 × 538,778,839.88
  4. Step 4: Simplify right side
    984,825,823.70x = 732,249,932,808,725,760
  5. Step 5: Solve for x
    x = 732,249,932,808,725,760/984,825,823.70
  6. Step 6: Final answer
    x = 743,532,424.91

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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.