Home / 591,476,966.88-887,651,370.74-280,585,557.60

Finding the Fourth Proportional to 591,476,966.88, 887,651,370.74 and 280,585,557.60

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Solution

The fourth proportional to 591,476,966.88, 887,651,370.74 and 280,585,557.60 is: 421,085,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,476,966.88 : 887,651,370.74 = 280,585,557.60 : x
  2. Step 2: Convert to fraction form
    591,476,966.88/887,651,370.74 = 280,585,557.60/x
  3. Step 3: Cross multiply
    591,476,966.88x = 887,651,370.74 × 280,585,557.60
  4. Step 4: Simplify right side
    591,476,966.88x = 249,062,154,813,487,264
  5. Step 5: Solve for x
    x = 249,062,154,813,487,264/591,476,966.88
  6. Step 6: Final answer
    x = 421,085,128.86

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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.