Home / 330,593,436.90-495,323,284.95-215,518,745.70

Finding the Fourth Proportional to 330,593,436.90, 495,323,284.95 and 215,518,745.70

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Solution

The fourth proportional to 330,593,436.90, 495,323,284.95 and 215,518,745.70 is: 322,908,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,593,436.90 : 495,323,284.95 = 215,518,745.70 : x
  2. Step 2: Convert to fraction form
    330,593,436.90/495,323,284.95 = 215,518,745.70/x
  3. Step 3: Cross multiply
    330,593,436.90x = 495,323,284.95 × 215,518,745.70
  4. Step 4: Simplify right side
    330,593,436.90x = 106,751,453,088,427,680
  5. Step 5: Solve for x
    x = 106,751,453,088,427,680/330,593,436.90
  6. Step 6: Final answer
    x = 322,908,567.36

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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.