Home / 2,172,805,621.60-3,259,208,432.40-792,665,154.40

Finding the Fourth Proportional to 2,172,805,621.60, 3,259,208,432.40 and 792,665,154.40

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Solution

The fourth proportional to 2,172,805,621.60, 3,259,208,432.40 and 792,665,154.40 is: 1,188,997,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,805,621.60 : 3,259,208,432.40 = 792,665,154.40 : x
  2. Step 2: Convert to fraction form
    2,172,805,621.60/3,259,208,432.40 = 792,665,154.40/x
  3. Step 3: Cross multiply
    2,172,805,621.60x = 3,259,208,432.40 × 792,665,154.40
  4. Step 4: Simplify right side
    2,172,805,621.60x = 2,583,460,955,290,127,872
  5. Step 5: Solve for x
    x = 2,583,460,955,290,127,872/2,172,805,621.60
  6. Step 6: Final answer
    x = 1,188,997,731.60

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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.