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Finding the Fourth Proportional to 440,999,808.42, 661,560,248.88 and 149,788,751.88

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Solution

The fourth proportional to 440,999,808.42, 661,560,248.88 and 149,788,751.88 is: 224,703,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,999,808.42 : 661,560,248.88 = 149,788,751.88 : x
  2. Step 2: Convert to fraction form
    440,999,808.42/661,560,248.88 = 149,788,751.88/x
  3. Step 3: Cross multiply
    440,999,808.42x = 661,560,248.88 × 149,788,751.88
  4. Step 4: Simplify right side
    440,999,808.42x = 99,094,283,973,157,360
  5. Step 5: Solve for x
    x = 99,094,283,973,157,360/440,999,808.42
  6. Step 6: Final answer
    x = 224,703,689.39

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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.