Home / 404,573,329.20-558,311,194.08-218,934,344.64

Finding the Fourth Proportional to 404,573,329.20, 558,311,194.08 and 218,934,344.64

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Solution

The fourth proportional to 404,573,329.20, 558,311,194.08 and 218,934,344.64 is: 302,129,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,329.20 : 558,311,194.08 = 218,934,344.64 : x
  2. Step 2: Convert to fraction form
    404,573,329.20/558,311,194.08 = 218,934,344.64/x
  3. Step 3: Cross multiply
    404,573,329.20x = 558,311,194.08 × 218,934,344.64
  4. Step 4: Simplify right side
    404,573,329.20x = 122,233,495,381,080,656
  5. Step 5: Solve for x
    x = 122,233,495,381,080,656/404,573,329.20
  6. Step 6: Final answer
    x = 302,129,395.49

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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.