Home / 639,440,958.98-882,429,890.96-360,982,482.51

Finding the Fourth Proportional to 639,440,958.98, 882,429,890.96 and 360,982,482.51

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Solution

The fourth proportional to 639,440,958.98, 882,429,890.96 and 360,982,482.51 is: 498,156,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,440,958.98 : 882,429,890.96 = 360,982,482.51 : x
  2. Step 2: Convert to fraction form
    639,440,958.98/882,429,890.96 = 360,982,482.51/x
  3. Step 3: Cross multiply
    639,440,958.98x = 882,429,890.96 × 360,982,482.51
  4. Step 4: Simplify right side
    639,440,958.98x = 318,541,732,678,014,592
  5. Step 5: Solve for x
    x = 318,541,732,678,014,592/639,440,958.98
  6. Step 6: Final answer
    x = 498,156,597.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.