Home / 383,818,963.80-575,728,445.70-189,760,330.20

Finding the Fourth Proportional to 383,818,963.80, 575,728,445.70 and 189,760,330.20

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Solution

The fourth proportional to 383,818,963.80, 575,728,445.70 and 189,760,330.20 is: 284,640,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,818,963.80 : 575,728,445.70 = 189,760,330.20 : x
  2. Step 2: Convert to fraction form
    383,818,963.80/575,728,445.70 = 189,760,330.20/x
  3. Step 3: Cross multiply
    383,818,963.80x = 575,728,445.70 × 189,760,330.20
  4. Step 4: Simplify right side
    383,818,963.80x = 109,250,419,961,564,768
  5. Step 5: Solve for x
    x = 109,250,419,961,564,768/383,818,963.80
  6. Step 6: Final answer
    x = 284,640,495.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.