Home / 460,376,595.20-691,056,484.84-198,190,916.57

Finding the Fourth Proportional to 460,376,595.20, 691,056,484.84 and 198,190,916.57

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Solution

The fourth proportional to 460,376,595.20, 691,056,484.84 and 198,190,916.57 is: 297,498,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,376,595.20 : 691,056,484.84 = 198,190,916.57 : x
  2. Step 2: Convert to fraction form
    460,376,595.20/691,056,484.84 = 198,190,916.57/x
  3. Step 3: Cross multiply
    460,376,595.20x = 691,056,484.84 × 198,190,916.57
  4. Step 4: Simplify right side
    460,376,595.20x = 136,961,118,134,057,264
  5. Step 5: Solve for x
    x = 136,961,118,134,057,264/460,376,595.20
  6. Step 6: Final answer
    x = 297,498,003.94

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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.