Home / 749,827,381.71-1,124,814,993.17-258,475,964.43

Finding the Fourth Proportional to 749,827,381.71, 1,124,814,993.17 and 258,475,964.43

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Solution

The fourth proportional to 749,827,381.71, 1,124,814,993.17 and 258,475,964.43 is: 387,739,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,827,381.71 : 1,124,814,993.17 = 258,475,964.43 : x
  2. Step 2: Convert to fraction form
    749,827,381.71/1,124,814,993.17 = 258,475,964.43/x
  3. Step 3: Cross multiply
    749,827,381.71x = 1,124,814,993.17 × 258,475,964.43
  4. Step 4: Simplify right side
    749,827,381.71x = 290,737,640,163,647,232
  5. Step 5: Solve for x
    x = 290,737,640,163,647,232/749,827,381.71
  6. Step 6: Final answer
    x = 387,739,428.11

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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.