Home / 2,112,474,860.20-3,168,696,543.90-638,611,820.20

Finding the Fourth Proportional to 2,112,474,860.20, 3,168,696,543.90 and 638,611,820.20

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Solution

The fourth proportional to 2,112,474,860.20, 3,168,696,543.90 and 638,611,820.20 is: 957,912,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,474,860.20 : 3,168,696,543.90 = 638,611,820.20 : x
  2. Step 2: Convert to fraction form
    2,112,474,860.20/3,168,696,543.90 = 638,611,820.20/x
  3. Step 3: Cross multiply
    2,112,474,860.20x = 3,168,696,543.90 × 638,611,820.20
  4. Step 4: Simplify right side
    2,112,474,860.20x = 2,023,567,067,561,428,480
  5. Step 5: Solve for x
    x = 2,023,567,067,561,428,480/2,112,474,860.20
  6. Step 6: Final answer
    x = 957,912,970.08

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1.5x scale

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.