Home / 689,302,081.13-951,106,775.19-410,869,512.41

Finding the Fourth Proportional to 689,302,081.13, 951,106,775.19 and 410,869,512.41

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Solution

The fourth proportional to 689,302,081.13, 951,106,775.19 and 410,869,512.41 is: 566,922,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,302,081.13 : 951,106,775.19 = 410,869,512.41 : x
  2. Step 2: Convert to fraction form
    689,302,081.13/951,106,775.19 = 410,869,512.41/x
  3. Step 3: Cross multiply
    689,302,081.13x = 951,106,775.19 × 410,869,512.41
  4. Step 4: Simplify right side
    689,302,081.13x = 390,780,776,965,866,432
  5. Step 5: Solve for x
    x = 390,780,776,965,866,432/689,302,081.13
  6. Step 6: Final answer
    x = 566,922,380.86

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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.