Home / 1,381,330,475.27-2,071,239,032.27-680,280,993.54

Finding the Fourth Proportional to 1,381,330,475.27, 2,071,239,032.27 and 680,280,993.54

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Solution

The fourth proportional to 1,381,330,475.27, 2,071,239,032.27 and 680,280,993.54 is: 1,020,048,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,330,475.27 : 2,071,239,032.27 = 680,280,993.54 : x
  2. Step 2: Convert to fraction form
    1,381,330,475.27/2,071,239,032.27 = 680,280,993.54/x
  3. Step 3: Cross multiply
    1,381,330,475.27x = 2,071,239,032.27 × 680,280,993.54
  4. Step 4: Simplify right side
    1,381,330,475.27x = 1,409,024,546,729,422,848
  5. Step 5: Solve for x
    x = 1,409,024,546,729,422,848/1,381,330,475.27
  6. Step 6: Final answer
    x = 1,020,048,838.38

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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.