Home / 479,217,846.70-717,819,000.45-398,596,278.70

Finding the Fourth Proportional to 479,217,846.70, 717,819,000.45 and 398,596,278.70

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Solution

The fourth proportional to 479,217,846.70, 717,819,000.45 and 398,596,278.70 is: 597,056,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,217,846.70 : 717,819,000.45 = 398,596,278.70 : x
  2. Step 2: Convert to fraction form
    479,217,846.70/717,819,000.45 = 398,596,278.70/x
  3. Step 3: Cross multiply
    479,217,846.70x = 717,819,000.45 × 398,596,278.70
  4. Step 4: Simplify right side
    479,217,846.70x = 286,119,982,359,523,648
  5. Step 5: Solve for x
    x = 286,119,982,359,523,648/479,217,846.70
  6. Step 6: Final answer
    x = 597,056,191.31

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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.