Home / 673,404,891.90-1,010,443,261.05-382,495,400.70

Finding the Fourth Proportional to 673,404,891.90, 1,010,443,261.05 and 382,495,400.70

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Solution

The fourth proportional to 673,404,891.90, 1,010,443,261.05 and 382,495,400.70 is: 573,933,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,404,891.90 : 1,010,443,261.05 = 382,495,400.70 : x
  2. Step 2: Convert to fraction form
    673,404,891.90/1,010,443,261.05 = 382,495,400.70/x
  3. Step 3: Cross multiply
    673,404,891.90x = 1,010,443,261.05 × 382,495,400.70
  4. Step 4: Simplify right side
    673,404,891.90x = 386,489,900,019,934,400
  5. Step 5: Solve for x
    x = 386,489,900,019,934,400/673,404,891.90
  6. Step 6: Final answer
    x = 573,933,906.14

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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.