Home / 814,818,966.57-1,124,386,064.33-462,394,953.83

Finding the Fourth Proportional to 814,818,966.57, 1,124,386,064.33 and 462,394,953.83

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Solution

The fourth proportional to 814,818,966.57, 1,124,386,064.33 and 462,394,953.83 is: 638,068,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,818,966.57 : 1,124,386,064.33 = 462,394,953.83 : x
  2. Step 2: Convert to fraction form
    814,818,966.57/1,124,386,064.33 = 462,394,953.83/x
  3. Step 3: Cross multiply
    814,818,966.57x = 1,124,386,064.33 × 462,394,953.83
  4. Step 4: Simplify right side
    814,818,966.57x = 519,910,442,302,965,696
  5. Step 5: Solve for x
    x = 519,910,442,302,965,696/814,818,966.57
  6. Step 6: Final answer
    x = 638,068,655.29

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1.5x scale

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.