Home / 663,258,676.17-994,363,802.72-331,095,211.47

Finding the Fourth Proportional to 663,258,676.17, 994,363,802.72 and 331,095,211.47

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Solution

The fourth proportional to 663,258,676.17, 994,363,802.72 and 331,095,211.47 is: 496,381,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,258,676.17 : 994,363,802.72 = 331,095,211.47 : x
  2. Step 2: Convert to fraction form
    663,258,676.17/994,363,802.72 = 331,095,211.47/x
  3. Step 3: Cross multiply
    663,258,676.17x = 994,363,802.72 × 331,095,211.47
  4. Step 4: Simplify right side
    663,258,676.17x = 329,229,093,538,036,352
  5. Step 5: Solve for x
    x = 329,229,093,538,036,352/663,258,676.17
  6. Step 6: Final answer
    x = 496,381,133.59

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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.