Home / 663,258,675.92-994,363,802.34-331,095,211.22

Finding the Fourth Proportional to 663,258,675.92, 994,363,802.34 and 331,095,211.22

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Solution

The fourth proportional to 663,258,675.92, 994,363,802.34 and 331,095,211.22 is: 496,381,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,258,675.92 : 994,363,802.34 = 331,095,211.22 : x
  2. Step 2: Convert to fraction form
    663,258,675.92/994,363,802.34 = 331,095,211.22/x
  3. Step 3: Cross multiply
    663,258,675.92x = 994,363,802.34 × 331,095,211.22
  4. Step 4: Simplify right side
    663,258,675.92x = 329,229,093,165,284,672
  5. Step 5: Solve for x
    x = 329,229,093,165,284,672/663,258,675.92
  6. Step 6: Final answer
    x = 496,381,133.21

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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.