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Finding the Fourth Proportional to 462,188,751.88, 637,828,183.74 and 250,502,343.16

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Solution

The fourth proportional to 462,188,751.88, 637,828,183.74 and 250,502,343.16 is: 345,697,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,188,751.88 : 637,828,183.74 = 250,502,343.16 : x
  2. Step 2: Convert to fraction form
    462,188,751.88/637,828,183.74 = 250,502,343.16/x
  3. Step 3: Cross multiply
    462,188,751.88x = 637,828,183.74 × 250,502,343.16
  4. Step 4: Simplify right side
    462,188,751.88x = 159,777,454,560,357,024
  5. Step 5: Solve for x
    x = 159,777,454,560,357,024/462,188,751.88
  6. Step 6: Final answer
    x = 345,697,410.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.