Home / 404,549,682.04-558,279,531.66-218,912,689.72

Finding the Fourth Proportional to 404,549,682.04, 558,279,531.66 and 218,912,689.72

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Solution

The fourth proportional to 404,549,682.04, 558,279,531.66 and 218,912,689.72 is: 302,100,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,549,682.04 : 558,279,531.66 = 218,912,689.72 : x
  2. Step 2: Convert to fraction form
    404,549,682.04/558,279,531.66 = 218,912,689.72/x
  3. Step 3: Cross multiply
    404,549,682.04x = 558,279,531.66 × 218,912,689.72
  4. Step 4: Simplify right side
    404,549,682.04x = 122,214,473,891,312,496
  5. Step 5: Solve for x
    x = 122,214,473,891,312,496/404,549,682.04
  6. Step 6: Final answer
    x = 302,100,036.95

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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.