Home / 538,081,611.40-807,122,417.10-149,964,344.20

Finding the Fourth Proportional to 538,081,611.40, 807,122,417.10 and 149,964,344.20

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Solution

The fourth proportional to 538,081,611.40, 807,122,417.10 and 149,964,344.20 is: 224,946,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,081,611.40 : 807,122,417.10 = 149,964,344.20 : x
  2. Step 2: Convert to fraction form
    538,081,611.40/807,122,417.10 = 149,964,344.20/x
  3. Step 3: Cross multiply
    538,081,611.40x = 807,122,417.10 × 149,964,344.20
  4. Step 4: Simplify right side
    538,081,611.40x = 121,039,583,969,520,352
  5. Step 5: Solve for x
    x = 121,039,583,969,520,352/538,081,611.40
  6. Step 6: Final answer
    x = 224,946,516.30

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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.