Home / 883,860,660-1,219,800,330-487,461,180.96

Finding the Fourth Proportional to 883,860,660, 1,219,800,330 and 487,461,180.96

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Solution

The fourth proportional to 883,860,660, 1,219,800,330 and 487,461,180.96 is: 672,736,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,860,660 : 1,219,800,330 = 487,461,180.96 : x
  2. Step 2: Convert to fraction form
    883,860,660/1,219,800,330 = 487,461,180.96/x
  3. Step 3: Cross multiply
    883,860,660x = 1,219,800,330 × 487,461,180.96
  4. Step 4: Simplify right side
    883,860,660x = 594,605,309,397,197,696
  5. Step 5: Solve for x
    x = 594,605,309,397,197,696/883,860,660
  6. Step 6: Final answer
    x = 672,736,480.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.