Home / 2,731,079,607.78-3,768,889,812.98-1,478,016,463.67

Finding the Fourth Proportional to 2,731,079,607.78, 3,768,889,812.98 and 1,478,016,463.67

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Solution

The fourth proportional to 2,731,079,607.78, 3,768,889,812.98 and 1,478,016,463.67 is: 2,039,662,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,079,607.78 : 3,768,889,812.98 = 1,478,016,463.67 : x
  2. Step 2: Convert to fraction form
    2,731,079,607.78/3,768,889,812.98 = 1,478,016,463.67/x
  3. Step 3: Cross multiply
    2,731,079,607.78x = 3,768,889,812.98 × 1,478,016,463.67
  4. Step 4: Simplify right side
    2,731,079,607.78x = 5,570,481,193,342,587,904
  5. Step 5: Solve for x
    x = 5,570,481,193,342,587,904/2,731,079,607.78
  6. Step 6: Final answer
    x = 2,039,662,695.10

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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.