Home / 679,063,516.20-1,018,595,274.30-652,278,889.80

Finding the Fourth Proportional to 679,063,516.20, 1,018,595,274.30 and 652,278,889.80

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Solution

The fourth proportional to 679,063,516.20, 1,018,595,274.30 and 652,278,889.80 is: 978,418,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,063,516.20 : 1,018,595,274.30 = 652,278,889.80 : x
  2. Step 2: Convert to fraction form
    679,063,516.20/1,018,595,274.30 = 652,278,889.80/x
  3. Step 3: Cross multiply
    679,063,516.20x = 1,018,595,274.30 × 652,278,889.80
  4. Step 4: Simplify right side
    679,063,516.20x = 664,408,194,675,930,368
  5. Step 5: Solve for x
    x = 664,408,194,675,930,368/679,063,516.20
  6. Step 6: Final answer
    x = 978,418,334.70

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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.