Home / 2,987,029,254.60-4,480,543,881.90-805,991,891.40

Finding the Fourth Proportional to 2,987,029,254.60, 4,480,543,881.90 and 805,991,891.40

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Solution

The fourth proportional to 2,987,029,254.60, 4,480,543,881.90 and 805,991,891.40 is: 1,208,987,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,029,254.60 : 4,480,543,881.90 = 805,991,891.40 : x
  2. Step 2: Convert to fraction form
    2,987,029,254.60/4,480,543,881.90 = 805,991,891.40/x
  3. Step 3: Cross multiply
    2,987,029,254.60x = 4,480,543,881.90 × 805,991,891.40
  4. Step 4: Simplify right side
    2,987,029,254.60x = 3,611,282,037,873,278,976
  5. Step 5: Solve for x
    x = 3,611,282,037,873,278,976/2,987,029,254.60
  6. Step 6: Final answer
    x = 1,208,987,837.10

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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.