Home / 1,259,012,422.95-1,888,522,177.36-482,895,986.55

Finding the Fourth Proportional to 1,259,012,422.95, 1,888,522,177.36 and 482,895,986.55

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Solution

The fourth proportional to 1,259,012,422.95, 1,888,522,177.36 and 482,895,986.55 is: 724,345,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,012,422.95 : 1,888,522,177.36 = 482,895,986.55 : x
  2. Step 2: Convert to fraction form
    1,259,012,422.95/1,888,522,177.36 = 482,895,986.55/x
  3. Step 3: Cross multiply
    1,259,012,422.95x = 1,888,522,177.36 × 482,895,986.55
  4. Step 4: Simplify right side
    1,259,012,422.95x = 911,959,779,950,391,168
  5. Step 5: Solve for x
    x = 911,959,779,950,391,168/1,259,012,422.95
  6. Step 6: Final answer
    x = 724,345,338.72

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1.5x scale

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.