Home / 562,719,762.80-844,079,644.20-512,555,231.60

Finding the Fourth Proportional to 562,719,762.80, 844,079,644.20 and 512,555,231.60

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Solution

The fourth proportional to 562,719,762.80, 844,079,644.20 and 512,555,231.60 is: 768,832,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,719,762.80 : 844,079,644.20 = 512,555,231.60 : x
  2. Step 2: Convert to fraction form
    562,719,762.80/844,079,644.20 = 512,555,231.60/x
  3. Step 3: Cross multiply
    562,719,762.80x = 844,079,644.20 × 512,555,231.60
  4. Step 4: Simplify right side
    562,719,762.80x = 432,637,437,521,776,640
  5. Step 5: Solve for x
    x = 432,637,437,521,776,640/562,719,762.80
  6. Step 6: Final answer
    x = 768,832,847.40

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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.