Home / 1,643,865,445.92-2,465,420,844.96-980,067,293.40

Finding the Fourth Proportional to 1,643,865,445.92, 2,465,420,844.96 and 980,067,293.40

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Solution

The fourth proportional to 1,643,865,445.92, 2,465,420,844.96 and 980,067,293.40 is: 1,469,875,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,865,445.92 : 2,465,420,844.96 = 980,067,293.40 : x
  2. Step 2: Convert to fraction form
    1,643,865,445.92/2,465,420,844.96 = 980,067,293.40/x
  3. Step 3: Cross multiply
    1,643,865,445.92x = 2,465,420,844.96 × 980,067,293.40
  4. Step 4: Simplify right side
    1,643,865,445.92x = 2,416,278,334,611,888,128
  5. Step 5: Solve for x
    x = 2,416,278,334,611,888,128/1,643,865,445.92
  6. Step 6: Final answer
    x = 1,469,875,980.79

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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.