Home / 392,528,328,804.75-541,689,094,793.60-212,087,236,053

Finding the Fourth Proportional to 392,528,328,804.75, 541,689,094,793.60 and 212,087,236,053

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Solution

The fourth proportional to 392,528,328,804.75, 541,689,094,793.60 and 212,087,236,053 is: 292,680,386,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,528,328,804.75 : 541,689,094,793.60 = 212,087,236,053 : x
  2. Step 2: Convert to fraction form
    392,528,328,804.75/541,689,094,793.60 = 212,087,236,053/x
  3. Step 3: Cross multiply
    392,528,328,804.75x = 541,689,094,793.60 × 212,087,236,053
  4. Step 4: Simplify right side
    392,528,328,804.75x = 114,885,342,914,826,135,928,832
  5. Step 5: Solve for x
    x = 114,885,342,914,826,135,928,832/392,528,328,804.75
  6. Step 6: Final answer
    x = 292,680,386,316.71

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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.