Home / 673,987,338.20-1,010,981,007.30-565,148,221.40

Finding the Fourth Proportional to 673,987,338.20, 1,010,981,007.30 and 565,148,221.40

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Solution

The fourth proportional to 673,987,338.20, 1,010,981,007.30 and 565,148,221.40 is: 847,722,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,987,338.20 : 1,010,981,007.30 = 565,148,221.40 : x
  2. Step 2: Convert to fraction form
    673,987,338.20/1,010,981,007.30 = 565,148,221.40/x
  3. Step 3: Cross multiply
    673,987,338.20x = 1,010,981,007.30 × 565,148,221.40
  4. Step 4: Simplify right side
    673,987,338.20x = 571,354,118,144,775,360
  5. Step 5: Solve for x
    x = 571,354,118,144,775,360/673,987,338.20
  6. Step 6: Final answer
    x = 847,722,332.10

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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.