Home / 839,031,462.40-1,258,998,408.96-808,492,034.56

Finding the Fourth Proportional to 839,031,462.40, 1,258,998,408.96 and 808,492,034.56

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Solution

The fourth proportional to 839,031,462.40, 1,258,998,408.96 and 808,492,034.56 is: 1,213,172,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,031,462.40 : 1,258,998,408.96 = 808,492,034.56 : x
  2. Step 2: Convert to fraction form
    839,031,462.40/1,258,998,408.96 = 808,492,034.56/x
  3. Step 3: Cross multiply
    839,031,462.40x = 1,258,998,408.96 × 808,492,034.56
  4. Step 4: Simplify right side
    839,031,462.40x = 1,017,890,185,167,873,280
  5. Step 5: Solve for x
    x = 1,017,890,185,167,873,280/839,031,462.40
  6. Step 6: Final answer
    x = 1,213,172,843.67

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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.