Home / 2,219,154,105.44-3,329,208,207.12-645,288,763.52

Finding the Fourth Proportional to 2,219,154,105.44, 3,329,208,207.12 and 645,288,763.52

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Solution

The fourth proportional to 2,219,154,105.44, 3,329,208,207.12 and 645,288,763.52 is: 968,071,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,154,105.44 : 3,329,208,207.12 = 645,288,763.52 : x
  2. Step 2: Convert to fraction form
    2,219,154,105.44/3,329,208,207.12 = 645,288,763.52/x
  3. Step 3: Cross multiply
    2,219,154,105.44x = 3,329,208,207.12 × 645,288,763.52
  4. Step 4: Simplify right side
    2,219,154,105.44x = 2,148,300,647,473,100,800
  5. Step 5: Solve for x
    x = 2,148,300,647,473,100,800/2,219,154,105.44
  6. Step 6: Final answer
    x = 968,071,862.25

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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.