Home / 2,897,421,736.80-4,346,368,801.20-1,239,341,563.20

Finding the Fourth Proportional to 2,897,421,736.80, 4,346,368,801.20 and 1,239,341,563.20

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Solution

The fourth proportional to 2,897,421,736.80, 4,346,368,801.20 and 1,239,341,563.20 is: 1,859,113,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,421,736.80 : 4,346,368,801.20 = 1,239,341,563.20 : x
  2. Step 2: Convert to fraction form
    2,897,421,736.80/4,346,368,801.20 = 1,239,341,563.20/x
  3. Step 3: Cross multiply
    2,897,421,736.80x = 4,346,368,801.20 × 1,239,341,563.20
  4. Step 4: Simplify right side
    2,897,421,736.80x = 5,386,635,504,322,918,400
  5. Step 5: Solve for x
    x = 5,386,635,504,322,918,400/2,897,421,736.80
  6. Step 6: Final answer
    x = 1,859,113,375.15

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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.