Home / 647,036,193.70-970,554,290.55-284,239,137.70

Finding the Fourth Proportional to 647,036,193.70, 970,554,290.55 and 284,239,137.70

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Solution

The fourth proportional to 647,036,193.70, 970,554,290.55 and 284,239,137.70 is: 426,358,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,036,193.70 : 970,554,290.55 = 284,239,137.70 : x
  2. Step 2: Convert to fraction form
    647,036,193.70/970,554,290.55 = 284,239,137.70/x
  3. Step 3: Cross multiply
    647,036,193.70x = 970,554,290.55 × 284,239,137.70
  4. Step 4: Simplify right side
    647,036,193.70x = 275,869,514,636,967,232
  5. Step 5: Solve for x
    x = 275,869,514,636,967,232/647,036,193.70
  6. Step 6: Final answer
    x = 426,358,706.55

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Similar ratio
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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.