Home / 1,455,930,672.20-2,183,896,008.30-966,154,646.60

Finding the Fourth Proportional to 1,455,930,672.20, 2,183,896,008.30 and 966,154,646.60

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Solution

The fourth proportional to 1,455,930,672.20, 2,183,896,008.30 and 966,154,646.60 is: 1,449,231,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,930,672.20 : 2,183,896,008.30 = 966,154,646.60 : x
  2. Step 2: Convert to fraction form
    1,455,930,672.20/2,183,896,008.30 = 966,154,646.60/x
  3. Step 3: Cross multiply
    1,455,930,672.20x = 2,183,896,008.30 × 966,154,646.60
  4. Step 4: Simplify right side
    1,455,930,672.20x = 2,109,981,276,110,237,440
  5. Step 5: Solve for x
    x = 2,109,981,276,110,237,440/1,455,930,672.20
  6. Step 6: Final answer
    x = 1,449,231,969.90

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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.