Home / 7,217,338,044.11-10,819,747,354.88-2,792,712,071.30

Finding the Fourth Proportional to 7,217,338,044.11, 10,819,747,354.88 and 2,792,712,071.30

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Solution

The fourth proportional to 7,217,338,044.11, 10,819,747,354.88 and 2,792,712,071.30 is: 4,186,645,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,338,044.11 : 10,819,747,354.88 = 2,792,712,071.30 : x
  2. Step 2: Convert to fraction form
    7,217,338,044.11/10,819,747,354.88 = 2,792,712,071.30/x
  3. Step 3: Cross multiply
    7,217,338,044.11x = 10,819,747,354.88 × 2,792,712,071.30
  4. Step 4: Simplify right side
    7,217,338,044.11x = 30,216,439,046,402,703,360
  5. Step 5: Solve for x
    x = 30,216,439,046,402,703,360/7,217,338,044.11
  6. Step 6: Final answer
    x = 4,186,645,943.66

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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.