Home / 963,247,778.40-1,329,392,207.88-539,975,761.14

Finding the Fourth Proportional to 963,247,778.40, 1,329,392,207.88 and 539,975,761.14

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Solution

The fourth proportional to 963,247,778.40, 1,329,392,207.88 and 539,975,761.14 is: 745,228,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,247,778.40 : 1,329,392,207.88 = 539,975,761.14 : x
  2. Step 2: Convert to fraction form
    963,247,778.40/1,329,392,207.88 = 539,975,761.14/x
  3. Step 3: Cross multiply
    963,247,778.40x = 1,329,392,207.88 × 539,975,761.14
  4. Step 4: Simplify right side
    963,247,778.40x = 717,839,569,303,588,096
  5. Step 5: Solve for x
    x = 717,839,569,303,588,096/963,247,778.40
  6. Step 6: Final answer
    x = 745,228,367.41

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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.