Home / 558,963,680.23-771,359,870.99-304,647,327.27

Finding the Fourth Proportional to 558,963,680.23, 771,359,870.99 and 304,647,327.27

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Solution

The fourth proportional to 558,963,680.23, 771,359,870.99 and 304,647,327.27 is: 420,407,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,963,680.23 : 771,359,870.99 = 304,647,327.27 : x
  2. Step 2: Convert to fraction form
    558,963,680.23/771,359,870.99 = 304,647,327.27/x
  3. Step 3: Cross multiply
    558,963,680.23x = 771,359,870.99 × 304,647,327.27
  4. Step 4: Simplify right side
    558,963,680.23x = 234,992,723,060,435,488
  5. Step 5: Solve for x
    x = 234,992,723,060,435,488/558,963,680.23
  6. Step 6: Final answer
    x = 420,407,857.20

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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.