Home / 354,346,053.60-531,519,080.40-320,333,829.60

Finding the Fourth Proportional to 354,346,053.60, 531,519,080.40 and 320,333,829.60

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Solution

The fourth proportional to 354,346,053.60, 531,519,080.40 and 320,333,829.60 is: 480,500,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,346,053.60 : 531,519,080.40 = 320,333,829.60 : x
  2. Step 2: Convert to fraction form
    354,346,053.60/531,519,080.40 = 320,333,829.60/x
  3. Step 3: Cross multiply
    354,346,053.60x = 531,519,080.40 × 320,333,829.60
  4. Step 4: Simplify right side
    354,346,053.60x = 170,263,542,530,002,304
  5. Step 5: Solve for x
    x = 170,263,542,530,002,304/354,346,053.60
  6. Step 6: Final answer
    x = 480,500,744.40

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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.