Home / 1,611,193,765,612.80-2,223,436,085,587.40-879,582,172,116.65

Finding the Fourth Proportional to 1,611,193,765,612.80, 2,223,436,085,587.40 and 879,582,172,116.65

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Solution

The fourth proportional to 1,611,193,765,612.80, 2,223,436,085,587.40 and 879,582,172,116.65 is: 1,213,817,222,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,193,765,612.80 : 2,223,436,085,587.40 = 879,582,172,116.65 : x
  2. Step 2: Convert to fraction form
    1,611,193,765,612.80/2,223,436,085,587.40 = 879,582,172,116.65/x
  3. Step 3: Cross multiply
    1,611,193,765,612.80x = 2,223,436,085,587.40 × 879,582,172,116.65
  4. Step 4: Simplify right side
    1,611,193,765,612.80x = 1,955,694,741,723,506,911,739,904
  5. Step 5: Solve for x
    x = 1,955,694,741,723,506,911,739,904/1,611,193,765,612.80
  6. Step 6: Final answer
    x = 1,213,817,222,647.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.