Home / 813,987,771.95-1,221,483,871.01-377,207,042.87

Finding the Fourth Proportional to 813,987,771.95, 1,221,483,871.01 and 377,207,042.87

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Solution

The fourth proportional to 813,987,771.95, 1,221,483,871.01 and 377,207,042.87 is: 566,043,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,987,771.95 : 1,221,483,871.01 = 377,207,042.87 : x
  2. Step 2: Convert to fraction form
    813,987,771.95/1,221,483,871.01 = 377,207,042.87/x
  3. Step 3: Cross multiply
    813,987,771.95x = 1,221,483,871.01 × 377,207,042.87
  4. Step 4: Simplify right side
    813,987,771.95x = 460,752,318,895,196,608
  5. Step 5: Solve for x
    x = 460,752,318,895,196,608/813,987,771.95
  6. Step 6: Final answer
    x = 566,043,293.00

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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.