Home / 382,589,108,349.63-527,969,831,853.42-208,974,358,520.07

Finding the Fourth Proportional to 382,589,108,349.63, 527,969,831,853.42 and 208,974,358,520.07

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Solution

The fourth proportional to 382,589,108,349.63, 527,969,831,853.42 and 208,974,358,520.07 is: 288,382,900,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,349.63 : 527,969,831,853.42 = 208,974,358,520.07 : x
  2. Step 2: Convert to fraction form
    382,589,108,349.63/527,969,831,853.42 = 208,974,358,520.07/x
  3. Step 3: Cross multiply
    382,589,108,349.63x = 527,969,831,853.42 × 208,974,358,520.07
  4. Step 4: Simplify right side
    382,589,108,349.63x = 110,332,156,929,517,671,153,664
  5. Step 5: Solve for x
    x = 110,332,156,929,517,671,153,664/382,589,108,349.63
  6. Step 6: Final answer
    x = 288,382,900,928.51

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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.