Home / 8,878,813,251.72-12,254,341,025.94-5,310,912,685.83

Finding the Fourth Proportional to 8,878,813,251.72, 12,254,341,025.94 and 5,310,912,685.83

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Solution

The fourth proportional to 8,878,813,251.72, 12,254,341,025.94 and 5,310,912,685.83 is: 7,330,003,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,813,251.72 : 12,254,341,025.94 = 5,310,912,685.83 : x
  2. Step 2: Convert to fraction form
    8,878,813,251.72/12,254,341,025.94 = 5,310,912,685.83/x
  3. Step 3: Cross multiply
    8,878,813,251.72x = 12,254,341,025.94 × 5,310,912,685.83
  4. Step 4: Simplify right side
    8,878,813,251.72x = 65,081,735,211,151,761,408
  5. Step 5: Solve for x
    x = 65,081,735,211,151,761,408/8,878,813,251.72
  6. Step 6: Final answer
    x = 7,330,003,837.91

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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.