Home / 472,392,407.60-708,588,611.40-144,865,319.30

Finding the Fourth Proportional to 472,392,407.60, 708,588,611.40 and 144,865,319.30

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Solution

The fourth proportional to 472,392,407.60, 708,588,611.40 and 144,865,319.30 is: 217,297,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,407.60 : 708,588,611.40 = 144,865,319.30 : x
  2. Step 2: Convert to fraction form
    472,392,407.60/708,588,611.40 = 144,865,319.30/x
  3. Step 3: Cross multiply
    472,392,407.60x = 708,588,611.40 × 144,865,319.30
  4. Step 4: Simplify right side
    472,392,407.60x = 102,649,915,442,804,624
  5. Step 5: Solve for x
    x = 102,649,915,442,804,624/472,392,407.60
  6. Step 6: Final answer
    x = 217,297,978.95

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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.