Home / 309,049,344,042.72-463,574,016,064.10-259,459,521,450.73

Finding the Fourth Proportional to 309,049,344,042.72, 463,574,016,064.10 and 259,459,521,450.73

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Solution

The fourth proportional to 309,049,344,042.72, 463,574,016,064.10 and 259,459,521,450.73 is: 389,189,282,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,344,042.72 : 463,574,016,064.10 = 259,459,521,450.73 : x
  2. Step 2: Convert to fraction form
    309,049,344,042.72/463,574,016,064.10 = 259,459,521,450.73/x
  3. Step 3: Cross multiply
    309,049,344,042.72x = 463,574,016,064.10 × 259,459,521,450.73
  4. Step 4: Simplify right side
    309,049,344,042.72x = 120,278,692,364,984,405,458,944
  5. Step 5: Solve for x
    x = 120,278,692,364,984,405,458,944/309,049,344,042.72
  6. Step 6: Final answer
    x = 389,189,282,176.11

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1.5x scale

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.