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Finding the Fourth Proportional to 663,258,674.92, 994,363,800.84 and 331,095,210.22

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Solution

The fourth proportional to 663,258,674.92, 994,363,800.84 and 331,095,210.22 is: 496,381,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,258,674.92 : 994,363,800.84 = 331,095,210.22 : x
  2. Step 2: Convert to fraction form
    663,258,674.92/994,363,800.84 = 331,095,210.22/x
  3. Step 3: Cross multiply
    663,258,674.92x = 994,363,800.84 × 331,095,210.22
  4. Step 4: Simplify right side
    663,258,674.92x = 329,229,091,671,792,064
  5. Step 5: Solve for x
    x = 329,229,091,671,792,064/663,258,674.92
  6. Step 6: Final answer
    x = 496,381,131.71

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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.