Home / 372,144,279.83-513,549,719.82-204,878,871.19

Finding the Fourth Proportional to 372,144,279.83, 513,549,719.82 and 204,878,871.19

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Solution

The fourth proportional to 372,144,279.83, 513,549,719.82 and 204,878,871.19 is: 282,727,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,144,279.83 : 513,549,719.82 = 204,878,871.19 : x
  2. Step 2: Convert to fraction form
    372,144,279.83/513,549,719.82 = 204,878,871.19/x
  3. Step 3: Cross multiply
    372,144,279.83x = 513,549,719.82 × 204,878,871.19
  4. Step 4: Simplify right side
    372,144,279.83x = 105,215,486,895,378,496
  5. Step 5: Solve for x
    x = 105,215,486,895,378,496/372,144,279.83
  6. Step 6: Final answer
    x = 282,727,674.71

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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.