Home / 305,620,908.24-458,431,504.56-98,359,289.76

Finding the Fourth Proportional to 305,620,908.24, 458,431,504.56 and 98,359,289.76

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Solution

The fourth proportional to 305,620,908.24, 458,431,504.56 and 98,359,289.76 is: 147,538,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,620,908.24 : 458,431,504.56 = 98,359,289.76 : x
  2. Step 2: Convert to fraction form
    305,620,908.24/458,431,504.56 = 98,359,289.76/x
  3. Step 3: Cross multiply
    305,620,908.24x = 458,431,504.56 × 98,359,289.76
  4. Step 4: Simplify right side
    305,620,908.24x = 45,090,997,192,129,800
  5. Step 5: Solve for x
    x = 45,090,997,192,129,800/305,620,908.24
  6. Step 6: Final answer
    x = 147,538,980.40

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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.