Home / 289,419,561.60-434,129,342.40-174,628,305.60

Finding the Fourth Proportional to 289,419,561.60, 434,129,342.40 and 174,628,305.60

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Solution

The fourth proportional to 289,419,561.60, 434,129,342.40 and 174,628,305.60 is: 261,942,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,419,561.60 : 434,129,342.40 = 174,628,305.60 : x
  2. Step 2: Convert to fraction form
    289,419,561.60/434,129,342.40 = 174,628,305.60/x
  3. Step 3: Cross multiply
    289,419,561.60x = 434,129,342.40 × 174,628,305.60
  4. Step 4: Simplify right side
    289,419,561.60x = 75,811,271,474,554,224
  5. Step 5: Solve for x
    x = 75,811,271,474,554,224/289,419,561.60
  6. Step 6: Final answer
    x = 261,942,458.40

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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.