Home / 676,856,543.60-1,015,284,815.40-166,253,279.60

Finding the Fourth Proportional to 676,856,543.60, 1,015,284,815.40 and 166,253,279.60

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Solution

The fourth proportional to 676,856,543.60, 1,015,284,815.40 and 166,253,279.60 is: 249,379,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,856,543.60 : 1,015,284,815.40 = 166,253,279.60 : x
  2. Step 2: Convert to fraction form
    676,856,543.60/1,015,284,815.40 = 166,253,279.60/x
  3. Step 3: Cross multiply
    676,856,543.60x = 1,015,284,815.40 × 166,253,279.60
  4. Step 4: Simplify right side
    676,856,543.60x = 168,794,430,288,330,560
  5. Step 5: Solve for x
    x = 168,794,430,288,330,560/676,856,543.60
  6. Step 6: Final answer
    x = 249,379,919.40

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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.