Home / 1,390,992,025.30-2,086,488,037.95-982,845,337.30

Finding the Fourth Proportional to 1,390,992,025.30, 2,086,488,037.95 and 982,845,337.30

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Solution

The fourth proportional to 1,390,992,025.30, 2,086,488,037.95 and 982,845,337.30 is: 1,474,268,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,992,025.30 : 2,086,488,037.95 = 982,845,337.30 : x
  2. Step 2: Convert to fraction form
    1,390,992,025.30/2,086,488,037.95 = 982,845,337.30/x
  3. Step 3: Cross multiply
    1,390,992,025.30x = 2,086,488,037.95 × 982,845,337.30
  4. Step 4: Simplify right side
    1,390,992,025.30x = 2,050,695,039,431,382,784
  5. Step 5: Solve for x
    x = 2,050,695,039,431,382,784/1,390,992,025.30
  6. Step 6: Final answer
    x = 1,474,268,005.95

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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.