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Finding the Fourth Proportional to 637,754,461.22, 956,631,704.13 and 153,080,269.22

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Solution

The fourth proportional to 637,754,461.22, 956,631,704.13 and 153,080,269.22 is: 229,620,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754,461.22 : 956,631,704.13 = 153,080,269.22 : x
  2. Step 2: Convert to fraction form
    637,754,461.22/956,631,704.13 = 153,080,269.22/x
  3. Step 3: Cross multiply
    637,754,461.22x = 956,631,704.13 × 153,080,269.22
  4. Step 4: Simplify right side
    637,754,461.22x = 146,441,438,814,999,360
  5. Step 5: Solve for x
    x = 146,441,438,814,999,360/637,754,461.22
  6. Step 6: Final answer
    x = 229,620,406.79

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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.