Home / 987,948,017.86-1,479,946,062.63-594,257,521.51

Finding the Fourth Proportional to 987,948,017.86, 1,479,946,062.63 and 594,257,521.51

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Solution

The fourth proportional to 987,948,017.86, 1,479,946,062.63 and 594,257,521.51 is: 890,197,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,948,017.86 : 1,479,946,062.63 = 594,257,521.51 : x
  2. Step 2: Convert to fraction form
    987,948,017.86/1,479,946,062.63 = 594,257,521.51/x
  3. Step 3: Cross multiply
    987,948,017.86x = 1,479,946,062.63 × 594,257,521.51
  4. Step 4: Simplify right side
    987,948,017.86x = 879,469,079,146,987,136
  5. Step 5: Solve for x
    x = 879,469,079,146,987,136/987,948,017.86
  6. Step 6: Final answer
    x = 890,197,726.24

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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.