Home / 404,375,984,012.32-558,056,399,475.83-223,934,891,260.55

Finding the Fourth Proportional to 404,375,984,012.32, 558,056,399,475.83 and 223,934,891,260.55

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Solution

The fourth proportional to 404,375,984,012.32, 558,056,399,475.83 and 223,934,891,260.55 is: 309,039,864,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,375,984,012.32 : 558,056,399,475.83 = 223,934,891,260.55 : x
  2. Step 2: Convert to fraction form
    404,375,984,012.32/558,056,399,475.83 = 223,934,891,260.55/x
  3. Step 3: Cross multiply
    404,375,984,012.32x = 558,056,399,475.83 × 223,934,891,260.55
  4. Step 4: Simplify right side
    404,375,984,012.32x = 124,968,299,133,874,022,121,472
  5. Step 5: Solve for x
    x = 124,968,299,133,874,022,121,472/404,375,984,012.32
  6. Step 6: Final answer
    x = 309,039,864,073.79

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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.