Home / 1,264,640,625.64-1,896,695,517.66-356,689,153

Finding the Fourth Proportional to 1,264,640,625.64, 1,896,695,517.66 and 356,689,153

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Solution

The fourth proportional to 1,264,640,625.64, 1,896,695,517.66 and 356,689,153 is: 534,958,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,640,625.64 : 1,896,695,517.66 = 356,689,153 : x
  2. Step 2: Convert to fraction form
    1,264,640,625.64/1,896,695,517.66 = 356,689,153/x
  3. Step 3: Cross multiply
    1,264,640,625.64x = 1,896,695,517.66 × 356,689,153
  4. Step 4: Simplify right side
    1,264,640,625.64x = 676,530,717,693,041,920
  5. Step 5: Solve for x
    x = 676,530,717,693,041,920/1,264,640,625.64
  6. Step 6: Final answer
    x = 534,958,868.14

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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.