Home / 987,948,028.86-1,479,946,079.07-594,257,532.50

Finding the Fourth Proportional to 987,948,028.86, 1,479,946,079.07 and 594,257,532.50

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Solution

The fourth proportional to 987,948,028.86, 1,479,946,079.07 and 594,257,532.50 is: 890,197,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,948,028.86 : 1,479,946,079.07 = 594,257,532.50 : x
  2. Step 2: Convert to fraction form
    987,948,028.86/1,479,946,079.07 = 594,257,532.50/x
  3. Step 3: Cross multiply
    987,948,028.86x = 1,479,946,079.07 × 594,257,532.50
  4. Step 4: Simplify right side
    987,948,028.86x = 879,469,105,173,788,288
  5. Step 5: Solve for x
    x = 879,469,105,173,788,288/987,948,028.86
  6. Step 6: Final answer
    x = 890,197,742.68

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1.5x scale

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.