Home / 673,987,008.60-1,010,980,512.90-565,147,891.80

Finding the Fourth Proportional to 673,987,008.60, 1,010,980,512.90 and 565,147,891.80

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Solution

The fourth proportional to 673,987,008.60, 1,010,980,512.90 and 565,147,891.80 is: 847,721,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,987,008.60 : 1,010,980,512.90 = 565,147,891.80 : x
  2. Step 2: Convert to fraction form
    673,987,008.60/1,010,980,512.90 = 565,147,891.80/x
  3. Step 3: Cross multiply
    673,987,008.60x = 1,010,980,512.90 × 565,147,891.80
  4. Step 4: Simplify right side
    673,987,008.60x = 571,353,505,516,317,632
  5. Step 5: Solve for x
    x = 571,353,505,516,317,632/673,987,008.60
  6. Step 6: Final answer
    x = 847,721,837.70

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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.