Home / 354,294,559.80-531,441,839.70-298,174,390.20

Finding the Fourth Proportional to 354,294,559.80, 531,441,839.70 and 298,174,390.20

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Solution

The fourth proportional to 354,294,559.80, 531,441,839.70 and 298,174,390.20 is: 447,261,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,559.80 : 531,441,839.70 = 298,174,390.20 : x
  2. Step 2: Convert to fraction form
    354,294,559.80/531,441,839.70 = 298,174,390.20/x
  3. Step 3: Cross multiply
    354,294,559.80x = 531,441,839.70 × 298,174,390.20
  4. Step 4: Simplify right side
    354,294,559.80x = 158,462,346,479,313,632
  5. Step 5: Solve for x
    x = 158,462,346,479,313,632/354,294,559.80
  6. Step 6: Final answer
    x = 447,261,585.30

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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.