Home / 2,102,891,164.50-3,153,665,911.23-722,372,783.70

Finding the Fourth Proportional to 2,102,891,164.50, 3,153,665,911.23 and 722,372,783.70

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Solution

The fourth proportional to 2,102,891,164.50, 3,153,665,911.23 and 722,372,783.70 is: 1,083,328,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,891,164.50 : 3,153,665,911.23 = 722,372,783.70 : x
  2. Step 2: Convert to fraction form
    2,102,891,164.50/3,153,665,911.23 = 722,372,783.70/x
  3. Step 3: Cross multiply
    2,102,891,164.50x = 3,153,665,911.23 × 722,372,783.70
  4. Step 4: Simplify right side
    2,102,891,164.50x = 2,278,122,423,155,012,352
  5. Step 5: Solve for x
    x = 2,278,122,423,155,012,352/2,102,891,164.50
  6. Step 6: Final answer
    x = 1,083,328,734.08

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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.