Home / 664,140,000.20-996,210,000.30-626,516,601.80

Finding the Fourth Proportional to 664,140,000.20, 996,210,000.30 and 626,516,601.80

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Solution

The fourth proportional to 664,140,000.20, 996,210,000.30 and 626,516,601.80 is: 939,774,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,140,000.20 : 996,210,000.30 = 626,516,601.80 : x
  2. Step 2: Convert to fraction form
    664,140,000.20/996,210,000.30 = 626,516,601.80/x
  3. Step 3: Cross multiply
    664,140,000.20x = 996,210,000.30 × 626,516,601.80
  4. Step 4: Simplify right side
    664,140,000.20x = 624,142,104,067,132,928
  5. Step 5: Solve for x
    x = 624,142,104,067,132,928/664,140,000.20
  6. Step 6: Final answer
    x = 939,774,902.70

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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.