Home / 472,392,499.60-708,588,749.40-144,865,411.30

Finding the Fourth Proportional to 472,392,499.60, 708,588,749.40 and 144,865,411.30

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Solution

The fourth proportional to 472,392,499.60, 708,588,749.40 and 144,865,411.30 is: 217,298,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,499.60 : 708,588,749.40 = 144,865,411.30 : x
  2. Step 2: Convert to fraction form
    472,392,499.60/708,588,749.40 = 144,865,411.30/x
  3. Step 3: Cross multiply
    472,392,499.60x = 708,588,749.40 × 144,865,411.30
  4. Step 4: Simplify right side
    472,392,499.60x = 102,650,000,624,383,632
  5. Step 5: Solve for x
    x = 102,650,000,624,383,632/472,392,499.60
  6. Step 6: Final answer
    x = 217,298,116.95

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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.