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Finding the Fourth Proportional to 637,754,879.88, 956,632,330.98 and 153,080,687.88

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Solution

The fourth proportional to 637,754,879.88, 956,632,330.98 and 153,080,687.88 is: 229,621,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754,879.88 : 956,632,330.98 = 153,080,687.88 : x
  2. Step 2: Convert to fraction form
    637,754,879.88/956,632,330.98 = 153,080,687.88/x
  3. Step 3: Cross multiply
    637,754,879.88x = 956,632,330.98 × 153,080,687.88
  4. Step 4: Simplify right side
    637,754,879.88x = 146,441,935,274,666,240
  5. Step 5: Solve for x
    x = 146,441,935,274,666,240/637,754,879.88
  6. Step 6: Final answer
    x = 229,621,034.50

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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.