Home / 392,528,328,807.75-541,689,094,797.75-212,087,236,056

Finding the Fourth Proportional to 392,528,328,807.75, 541,689,094,797.75 and 212,087,236,056

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Solution

The fourth proportional to 392,528,328,807.75, 541,689,094,797.75 and 212,087,236,056 is: 292,680,386,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,528,328,807.75 : 541,689,094,797.75 = 212,087,236,056 : x
  2. Step 2: Convert to fraction form
    392,528,328,807.75/541,689,094,797.75 = 212,087,236,056/x
  3. Step 3: Cross multiply
    392,528,328,807.75x = 541,689,094,797.75 × 212,087,236,056
  4. Step 4: Simplify right side
    392,528,328,807.75x = 114,885,342,917,331,360,153,600
  5. Step 5: Solve for x
    x = 114,885,342,917,331,360,153,600/392,528,328,807.75
  6. Step 6: Final answer
    x = 292,680,386,320.85

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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.