Home / 489,915,727.10-734,873,590.65-486,514,504.70

Finding the Fourth Proportional to 489,915,727.10, 734,873,590.65 and 486,514,504.70

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Solution

The fourth proportional to 489,915,727.10, 734,873,590.65 and 486,514,504.70 is: 729,771,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,915,727.10 : 734,873,590.65 = 486,514,504.70 : x
  2. Step 2: Convert to fraction form
    489,915,727.10/734,873,590.65 = 486,514,504.70/x
  3. Step 3: Cross multiply
    489,915,727.10x = 734,873,590.65 × 486,514,504.70
  4. Step 4: Simplify right side
    489,915,727.10x = 357,526,660,972,195,264
  5. Step 5: Solve for x
    x = 357,526,660,972,195,264/489,915,727.10
  6. Step 6: Final answer
    x = 729,771,757.05

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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.