Home / 20,911,703,293.47-31,376,817,957.52-10,960,782,125.76

Finding the Fourth Proportional to 20,911,703,293.47, 31,376,817,957.52 and 10,960,782,125.76

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Solution

The fourth proportional to 20,911,703,293.47, 31,376,817,957.52 and 10,960,782,125.76 is: 16,446,028,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,703,293.47 : 31,376,817,957.52 = 10,960,782,125.76 : x
  2. Step 2: Convert to fraction form
    20,911,703,293.47/31,376,817,957.52 = 10,960,782,125.76/x
  3. Step 3: Cross multiply
    20,911,703,293.47x = 31,376,817,957.52 × 10,960,782,125.76
  4. Step 4: Simplify right side
    20,911,703,293.47x = 343,914,465,431,798,874,112
  5. Step 5: Solve for x
    x = 343,914,465,431,798,874,112/20,911,703,293.47
  6. Step 6: Final answer
    x = 16,446,028,360.55

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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.