Home / 382,589,108,335.40-527,969,831,833.80-208,974,358,505.88

Finding the Fourth Proportional to 382,589,108,335.40, 527,969,831,833.80 and 208,974,358,505.88

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Solution

The fourth proportional to 382,589,108,335.40, 527,969,831,833.80 and 208,974,358,505.88 is: 288,382,900,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,335.40 : 527,969,831,833.80 = 208,974,358,505.88 : x
  2. Step 2: Convert to fraction form
    382,589,108,335.40/527,969,831,833.80 = 208,974,358,505.88/x
  3. Step 3: Cross multiply
    382,589,108,335.40x = 527,969,831,833.80 × 208,974,358,505.88
  4. Step 4: Simplify right side
    382,589,108,335.40x = 110,332,156,917,925,688,639,488
  5. Step 5: Solve for x
    x = 110,332,156,917,925,688,639,488/382,589,108,335.40
  6. Step 6: Final answer
    x = 288,382,900,908.94

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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.