Home / 987,948,013.86-1,479,946,056.64-594,257,517.50

Finding the Fourth Proportional to 987,948,013.86, 1,479,946,056.64 and 594,257,517.50

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Solution

The fourth proportional to 987,948,013.86, 1,479,946,056.64 and 594,257,517.50 is: 890,197,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,948,013.86 : 1,479,946,056.64 = 594,257,517.50 : x
  2. Step 2: Convert to fraction form
    987,948,013.86/1,479,946,056.64 = 594,257,517.50/x
  3. Step 3: Cross multiply
    987,948,013.86x = 1,479,946,056.64 × 594,257,517.50
  4. Step 4: Simplify right side
    987,948,013.86x = 879,469,069,643,915,392
  5. Step 5: Solve for x
    x = 879,469,069,643,915,392/987,948,013.86
  6. Step 6: Final answer
    x = 890,197,720.23

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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.