Home / 382,589,108,334.66-527,969,831,832.80-208,974,358,505.12

Finding the Fourth Proportional to 382,589,108,334.66, 527,969,831,832.80 and 208,974,358,505.12

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Solution

The fourth proportional to 382,589,108,334.66, 527,969,831,832.80 and 208,974,358,505.12 is: 288,382,900,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,589,108,334.66 : 527,969,831,832.80 = 208,974,358,505.12 : x
  2. Step 2: Convert to fraction form
    382,589,108,334.66/527,969,831,832.80 = 208,974,358,505.12/x
  3. Step 3: Cross multiply
    382,589,108,334.66x = 527,969,831,832.80 × 208,974,358,505.12
  4. Step 4: Simplify right side
    382,589,108,334.66x = 110,332,156,917,315,467,739,136
  5. Step 5: Solve for x
    x = 110,332,156,917,315,467,739,136/382,589,108,334.66
  6. Step 6: Final answer
    x = 288,382,900,907.90

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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.