Home / 498,588,832.49-688,088,211.39-275,565,713.04

Finding the Fourth Proportional to 498,588,832.49, 688,088,211.39 and 275,565,713.04

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Solution

The fourth proportional to 498,588,832.49, 688,088,211.39 and 275,565,713.04 is: 380,300,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,588,832.49 : 688,088,211.39 = 275,565,713.04 : x
  2. Step 2: Convert to fraction form
    498,588,832.49/688,088,211.39 = 275,565,713.04/x
  3. Step 3: Cross multiply
    498,588,832.49x = 688,088,211.39 × 275,565,713.04
  4. Step 4: Simplify right side
    498,588,832.49x = 189,613,518,606,103,616
  5. Step 5: Solve for x
    x = 189,613,518,606,103,616/498,588,832.49
  6. Step 6: Final answer
    x = 380,300,372.27

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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.