Home / 1,002,518,403.08-1,504,085,479.56-478,556,107.16

Finding the Fourth Proportional to 1,002,518,403.08, 1,504,085,479.56 and 478,556,107.16

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Solution

The fourth proportional to 1,002,518,403.08, 1,504,085,479.56 and 478,556,107.16 is: 717,981,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,518,403.08 : 1,504,085,479.56 = 478,556,107.16 : x
  2. Step 2: Convert to fraction form
    1,002,518,403.08/1,504,085,479.56 = 478,556,107.16/x
  3. Step 3: Cross multiply
    1,002,518,403.08x = 1,504,085,479.56 × 478,556,107.16
  4. Step 4: Simplify right side
    1,002,518,403.08x = 719,789,291,934,115,328
  5. Step 5: Solve for x
    x = 719,789,291,934,115,328/1,002,518,403.08
  6. Step 6: Final answer
    x = 717,981,126.05

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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.