Home / 813,987,771.45-1,221,483,870.26-377,207,042.37

Finding the Fourth Proportional to 813,987,771.45, 1,221,483,870.26 and 377,207,042.37

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Solution

The fourth proportional to 813,987,771.45, 1,221,483,870.26 and 377,207,042.37 is: 566,043,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,987,771.45 : 1,221,483,870.26 = 377,207,042.37 : x
  2. Step 2: Convert to fraction form
    813,987,771.45/1,221,483,870.26 = 377,207,042.37/x
  3. Step 3: Cross multiply
    813,987,771.45x = 1,221,483,870.26 × 377,207,042.37
  4. Step 4: Simplify right side
    813,987,771.45x = 460,752,318,001,549,440
  5. Step 5: Solve for x
    x = 460,752,318,001,549,440/813,987,771.45
  6. Step 6: Final answer
    x = 566,043,292.25

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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.