Home / 3,935,261,731.42-5,902,892,597.54-1,315,065,836.40

Finding the Fourth Proportional to 3,935,261,731.42, 5,902,892,597.54 and 1,315,065,836.40

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Solution

The fourth proportional to 3,935,261,731.42, 5,902,892,597.54 and 1,315,065,836.40 is: 1,972,598,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935,261,731.42 : 5,902,892,597.54 = 1,315,065,836.40 : x
  2. Step 2: Convert to fraction form
    3,935,261,731.42/5,902,892,597.54 = 1,315,065,836.40/x
  3. Step 3: Cross multiply
    3,935,261,731.42x = 5,902,892,597.54 × 1,315,065,836.40
  4. Step 4: Simplify right side
    3,935,261,731.42x = 7,762,692,390,963,309,568
  5. Step 5: Solve for x
    x = 7,762,692,390,963,309,568/3,935,261,731.42
  6. Step 6: Final answer
    x = 1,972,598,754.74

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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.