Home / 673,987,345.20-1,010,981,017.80-565,148,228.40

Finding the Fourth Proportional to 673,987,345.20, 1,010,981,017.80 and 565,148,228.40

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Solution

The fourth proportional to 673,987,345.20, 1,010,981,017.80 and 565,148,228.40 is: 847,722,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,987,345.20 : 1,010,981,017.80 = 565,148,228.40 : x
  2. Step 2: Convert to fraction form
    673,987,345.20/1,010,981,017.80 = 565,148,228.40/x
  3. Step 3: Cross multiply
    673,987,345.20x = 1,010,981,017.80 × 565,148,228.40
  4. Step 4: Simplify right side
    673,987,345.20x = 571,354,131,155,698,816
  5. Step 5: Solve for x
    x = 571,354,131,155,698,816/673,987,345.20
  6. Step 6: Final answer
    x = 847,722,342.60

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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.