Home / 265,724,310.80-398,586,466.20-149,019,867.20

Finding the Fourth Proportional to 265,724,310.80, 398,586,466.20 and 149,019,867.20

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Solution

The fourth proportional to 265,724,310.80, 398,586,466.20 and 149,019,867.20 is: 223,529,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,724,310.80 : 398,586,466.20 = 149,019,867.20 : x
  2. Step 2: Convert to fraction form
    265,724,310.80/398,586,466.20 = 149,019,867.20/x
  3. Step 3: Cross multiply
    265,724,310.80x = 398,586,466.20 × 149,019,867.20
  4. Step 4: Simplify right side
    265,724,310.80x = 59,397,302,260,841,280
  5. Step 5: Solve for x
    x = 59,397,302,260,841,280/265,724,310.80
  6. Step 6: Final answer
    x = 223,529,800.80

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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.