Home / 891,583,290.33-1,336,211,539.02-498,094,222.57

Finding the Fourth Proportional to 891,583,290.33, 1,336,211,539.02 and 498,094,222.57

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Solution

The fourth proportional to 891,583,290.33, 1,336,211,539.02 and 498,094,222.57 is: 746,491,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,583,290.33 : 1,336,211,539.02 = 498,094,222.57 : x
  2. Step 2: Convert to fraction form
    891,583,290.33/1,336,211,539.02 = 498,094,222.57/x
  3. Step 3: Cross multiply
    891,583,290.33x = 1,336,211,539.02 × 498,094,222.57
  4. Step 4: Simplify right side
    891,583,290.33x = 665,559,247,721,412,480
  5. Step 5: Solve for x
    x = 665,559,247,721,412,480/891,583,290.33
  6. Step 6: Final answer
    x = 746,491,387.78

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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.