Home / 7,217,338,042.61-10,819,747,352.63-2,792,712,069.80

Finding the Fourth Proportional to 7,217,338,042.61, 10,819,747,352.63 and 2,792,712,069.80

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Solution

The fourth proportional to 7,217,338,042.61, 10,819,747,352.63 and 2,792,712,069.80 is: 4,186,645,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,338,042.61 : 10,819,747,352.63 = 2,792,712,069.80 : x
  2. Step 2: Convert to fraction form
    7,217,338,042.61/10,819,747,352.63 = 2,792,712,069.80/x
  3. Step 3: Cross multiply
    7,217,338,042.61x = 10,819,747,352.63 × 2,792,712,069.80
  4. Step 4: Simplify right side
    7,217,338,042.61x = 30,216,439,023,849,451,520
  5. Step 5: Solve for x
    x = 30,216,439,023,849,451,520/7,217,338,042.61
  6. Step 6: Final answer
    x = 4,186,645,941.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.