Home / 356,338,363.20-534,507,544.80-313,256,212.80

Finding the Fourth Proportional to 356,338,363.20, 534,507,544.80 and 313,256,212.80

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Solution

The fourth proportional to 356,338,363.20, 534,507,544.80 and 313,256,212.80 is: 469,884,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,338,363.20 : 534,507,544.80 = 313,256,212.80 : x
  2. Step 2: Convert to fraction form
    356,338,363.20/534,507,544.80 = 313,256,212.80/x
  3. Step 3: Cross multiply
    356,338,363.20x = 534,507,544.80 × 313,256,212.80
  4. Step 4: Simplify right side
    356,338,363.20x = 167,437,809,197,074,336
  5. Step 5: Solve for x
    x = 167,437,809,197,074,336/356,338,363.20
  6. Step 6: Final answer
    x = 469,884,319.20

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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.