Home / 676,856,605.60-1,015,284,908.40-166,253,341.60

Finding the Fourth Proportional to 676,856,605.60, 1,015,284,908.40 and 166,253,341.60

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Solution

The fourth proportional to 676,856,605.60, 1,015,284,908.40 and 166,253,341.60 is: 249,380,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,856,605.60 : 1,015,284,908.40 = 166,253,341.60 : x
  2. Step 2: Convert to fraction form
    676,856,605.60/1,015,284,908.40 = 166,253,341.60/x
  3. Step 3: Cross multiply
    676,856,605.60x = 1,015,284,908.40 × 166,253,341.60
  4. Step 4: Simplify right side
    676,856,605.60x = 168,794,508,697,549,888
  5. Step 5: Solve for x
    x = 168,794,508,697,549,888/676,856,605.60
  6. Step 6: Final answer
    x = 249,380,012.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.