Home / 418,253,328.95-577,186,402.21-230,077,570.88

Finding the Fourth Proportional to 418,253,328.95, 577,186,402.21 and 230,077,570.88

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Solution

The fourth proportional to 418,253,328.95, 577,186,402.21 and 230,077,570.88 is: 317,505,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,253,328.95 : 577,186,402.21 = 230,077,570.88 : x
  2. Step 2: Convert to fraction form
    418,253,328.95/577,186,402.21 = 230,077,570.88/x
  3. Step 3: Cross multiply
    418,253,328.95x = 577,186,402.21 × 230,077,570.88
  4. Step 4: Simplify right side
    418,253,328.95x = 132,797,645,366,311,232
  5. Step 5: Solve for x
    x = 132,797,645,366,311,232/418,253,328.95
  6. Step 6: Final answer
    x = 317,505,292.07

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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.