Home / 805,208,206.80-1,207,812,310.20-481,925,672.40

Finding the Fourth Proportional to 805,208,206.80, 1,207,812,310.20 and 481,925,672.40

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Solution

The fourth proportional to 805,208,206.80, 1,207,812,310.20 and 481,925,672.40 is: 722,888,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,208,206.80 : 1,207,812,310.20 = 481,925,672.40 : x
  2. Step 2: Convert to fraction form
    805,208,206.80/1,207,812,310.20 = 481,925,672.40/x
  3. Step 3: Cross multiply
    805,208,206.80x = 1,207,812,310.20 × 481,925,672.40
  4. Step 4: Simplify right side
    805,208,206.80x = 582,075,759,726,132,352
  5. Step 5: Solve for x
    x = 582,075,759,726,132,352/805,208,206.80
  6. Step 6: Final answer
    x = 722,888,508.60

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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.