Home / 3,849,501,422.25-5,311,401,082.67-2,178,750,612.65

Finding the Fourth Proportional to 3,849,501,422.25, 5,311,401,082.67 and 2,178,750,612.65

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Solution

The fourth proportional to 3,849,501,422.25, 5,311,401,082.67 and 2,178,750,612.65 is: 3,006,160,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,501,422.25 : 5,311,401,082.67 = 2,178,750,612.65 : x
  2. Step 2: Convert to fraction form
    3,849,501,422.25/5,311,401,082.67 = 2,178,750,612.65/x
  3. Step 3: Cross multiply
    3,849,501,422.25x = 5,311,401,082.67 × 2,178,750,612.65
  4. Step 4: Simplify right side
    3,849,501,422.25x = 11,572,218,362,876,024,832
  5. Step 5: Solve for x
    x = 11,572,218,362,876,024,832/3,849,501,422.25
  6. Step 6: Final answer
    x = 3,006,160,303.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.