Home / 3,764,218,894.71-5,645,130,425.45-1,242,677,631

Finding the Fourth Proportional to 3,764,218,894.71, 5,645,130,425.45 and 1,242,677,631

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Solution

The fourth proportional to 3,764,218,894.71, 5,645,130,425.45 and 1,242,677,631 is: 1,863,620,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764,218,894.71 : 5,645,130,425.45 = 1,242,677,631 : x
  2. Step 2: Convert to fraction form
    3,764,218,894.71/5,645,130,425.45 = 1,242,677,631/x
  3. Step 3: Cross multiply
    3,764,218,894.71x = 5,645,130,425.45 × 1,242,677,631
  4. Step 4: Simplify right side
    3,764,218,894.71x = 7,015,077,303,784,227,840
  5. Step 5: Solve for x
    x = 7,015,077,303,784,227,840/3,764,218,894.71
  6. Step 6: Final answer
    x = 1,863,620,979.55

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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.