Home / 500,451,528.40-750,718,143.70-251,328,664.35

Finding the Fourth Proportional to 500,451,528.40, 750,718,143.70 and 251,328,664.35

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Solution

The fourth proportional to 500,451,528.40, 750,718,143.70 and 251,328,664.35 is: 377,013,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,451,528.40 : 750,718,143.70 = 251,328,664.35 : x
  2. Step 2: Convert to fraction form
    500,451,528.40/750,718,143.70 = 251,328,664.35/x
  3. Step 3: Cross multiply
    500,451,528.40x = 750,718,143.70 × 251,328,664.35
  4. Step 4: Simplify right side
    500,451,528.40x = 188,676,988,358,804,032
  5. Step 5: Solve for x
    x = 188,676,988,358,804,032/500,451,528.40
  6. Step 6: Final answer
    x = 377,013,512.10

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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.