Home / 652,856,999.70-979,285,499.55-216,225,074.10

Finding the Fourth Proportional to 652,856,999.70, 979,285,499.55 and 216,225,074.10

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Solution

The fourth proportional to 652,856,999.70, 979,285,499.55 and 216,225,074.10 is: 324,337,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,856,999.70 : 979,285,499.55 = 216,225,074.10 : x
  2. Step 2: Convert to fraction form
    652,856,999.70/979,285,499.55 = 216,225,074.10/x
  3. Step 3: Cross multiply
    652,856,999.70x = 979,285,499.55 × 216,225,074.10
  4. Step 4: Simplify right side
    652,856,999.70x = 211,746,079,705,254,240
  5. Step 5: Solve for x
    x = 211,746,079,705,254,240/652,856,999.70
  6. Step 6: Final answer
    x = 324,337,611.15

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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.