Home / 979,781,101.62-1,469,884,465.64-357,995,334.60

Finding the Fourth Proportional to 979,781,101.62, 1,469,884,465.64 and 357,995,334.60

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Solution

The fourth proportional to 979,781,101.62, 1,469,884,465.64 and 357,995,334.60 is: 537,070,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,781,101.62 : 1,469,884,465.64 = 357,995,334.60 : x
  2. Step 2: Convert to fraction form
    979,781,101.62/1,469,884,465.64 = 357,995,334.60/x
  3. Step 3: Cross multiply
    979,781,101.62x = 1,469,884,465.64 × 357,995,334.60
  4. Step 4: Simplify right side
    979,781,101.62x = 526,211,781,101,028,992
  5. Step 5: Solve for x
    x = 526,211,781,101,028,992/979,781,101.62
  6. Step 6: Final answer
    x = 537,070,760.23

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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.