Home / 2,612,468,212.16-3,918,928,047.72-721,663,724.36

Finding the Fourth Proportional to 2,612,468,212.16, 3,918,928,047.72 and 721,663,724.36

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Solution

The fourth proportional to 2,612,468,212.16, 3,918,928,047.72 and 721,663,724.36 is: 1,082,557,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,468,212.16 : 3,918,928,047.72 = 721,663,724.36 : x
  2. Step 2: Convert to fraction form
    2,612,468,212.16/3,918,928,047.72 = 721,663,724.36/x
  3. Step 3: Cross multiply
    2,612,468,212.16x = 3,918,928,047.72 × 721,663,724.36
  4. Step 4: Simplify right side
    2,612,468,212.16x = 2,828,148,210,416,478,720
  5. Step 5: Solve for x
    x = 2,828,148,210,416,478,720/2,612,468,212.16
  6. Step 6: Final answer
    x = 1,082,557,941.66

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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.