Home / 1,917,573,113.52-2,645,497,970.76-1,113,663,761.88

Finding the Fourth Proportional to 1,917,573,113.52, 2,645,497,970.76 and 1,113,663,761.88

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Solution

The fourth proportional to 1,917,573,113.52, 2,645,497,970.76 and 1,113,663,761.88 is: 1,536,418,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,573,113.52 : 2,645,497,970.76 = 1,113,663,761.88 : x
  2. Step 2: Convert to fraction form
    1,917,573,113.52/2,645,497,970.76 = 1,113,663,761.88/x
  3. Step 3: Cross multiply
    1,917,573,113.52x = 2,645,497,970.76 × 1,113,663,761.88
  4. Step 4: Simplify right side
    1,917,573,113.52x = 2,946,195,222,162,488,320
  5. Step 5: Solve for x
    x = 2,946,195,222,162,488,320/1,917,573,113.52
  6. Step 6: Final answer
    x = 1,536,418,716.65

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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.