Home / 418,662,309.88-577,743,427.98-230,488,725.15

Finding the Fourth Proportional to 418,662,309.88, 577,743,427.98 and 230,488,725.15

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Solution

The fourth proportional to 418,662,309.88, 577,743,427.98 and 230,488,725.15 is: 318,068,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,662,309.88 : 577,743,427.98 = 230,488,725.15 : x
  2. Step 2: Convert to fraction form
    418,662,309.88/577,743,427.98 = 230,488,725.15/x
  3. Step 3: Cross multiply
    418,662,309.88x = 577,743,427.98 × 230,488,725.15
  4. Step 4: Simplify right side
    418,662,309.88x = 133,163,346,178,901,040
  5. Step 5: Solve for x
    x = 133,163,346,178,901,040/418,662,309.88
  6. Step 6: Final answer
    x = 318,068,627.24

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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.