Home / 392,528,328,784.56-541,689,094,765.20-212,087,236,032.72

Finding the Fourth Proportional to 392,528,328,784.56, 541,689,094,765.20 and 212,087,236,032.72

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Solution

The fourth proportional to 392,528,328,784.56, 541,689,094,765.20 and 212,087,236,032.72 is: 292,680,386,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,528,328,784.56 : 541,689,094,765.20 = 212,087,236,032.72 : x
  2. Step 2: Convert to fraction form
    392,528,328,784.56/541,689,094,765.20 = 212,087,236,032.72/x
  3. Step 3: Cross multiply
    392,528,328,784.56x = 541,689,094,765.20 × 212,087,236,032.72
  4. Step 4: Simplify right side
    392,528,328,784.56x = 114,885,342,897,817,411,125,248
  5. Step 5: Solve for x
    x = 114,885,342,897,817,411,125,248/392,528,328,784.56
  6. Step 6: Final answer
    x = 292,680,386,288.43

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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.