Home / 813,987,769.95-1,221,483,868.02-377,207,040.87

Finding the Fourth Proportional to 813,987,769.95, 1,221,483,868.02 and 377,207,040.87

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Solution

The fourth proportional to 813,987,769.95, 1,221,483,868.02 and 377,207,040.87 is: 566,043,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,987,769.95 : 1,221,483,868.02 = 377,207,040.87 : x
  2. Step 2: Convert to fraction form
    813,987,769.95/1,221,483,868.02 = 377,207,040.87/x
  3. Step 3: Cross multiply
    813,987,769.95x = 1,221,483,868.02 × 377,207,040.87
  4. Step 4: Simplify right side
    813,987,769.95x = 460,752,315,326,265,856
  5. Step 5: Solve for x
    x = 460,752,315,326,265,856/813,987,769.95
  6. Step 6: Final answer
    x = 566,043,290.00

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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.