Home / 354,259,080.80-531,388,621.20-313,948,296.80

Finding the Fourth Proportional to 354,259,080.80, 531,388,621.20 and 313,948,296.80

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Solution

The fourth proportional to 354,259,080.80, 531,388,621.20 and 313,948,296.80 is: 470,922,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,259,080.80 : 531,388,621.20 = 313,948,296.80 : x
  2. Step 2: Convert to fraction form
    354,259,080.80/531,388,621.20 = 313,948,296.80/x
  3. Step 3: Cross multiply
    354,259,080.80x = 531,388,621.20 × 313,948,296.80
  4. Step 4: Simplify right side
    354,259,080.80x = 166,828,552,564,640,384
  5. Step 5: Solve for x
    x = 166,828,552,564,640,384/354,259,080.80
  6. Step 6: Final answer
    x = 470,922,445.20

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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.