Home / 787,253,118,895.80-1,180,879,681,176.90-221,290,805,557.04

Finding the Fourth Proportional to 787,253,118,895.80, 1,180,879,681,176.90 and 221,290,805,557.04

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Solution

The fourth proportional to 787,253,118,895.80, 1,180,879,681,176.90 and 221,290,805,557.04 is: 331,936,209,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,253,118,895.80 : 1,180,879,681,176.90 = 221,290,805,557.04 : x
  2. Step 2: Convert to fraction form
    787,253,118,895.80/1,180,879,681,176.90 = 221,290,805,557.04/x
  3. Step 3: Cross multiply
    787,253,118,895.80x = 1,180,879,681,176.90 × 221,290,805,557.04
  4. Step 4: Simplify right side
    787,253,118,895.80x = 261,317,815,913,576,757,460,992
  5. Step 5: Solve for x
    x = 261,317,815,913,576,757,460,992/787,253,118,895.80
  6. Step 6: Final answer
    x = 331,936,209,131.95

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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.