Home / 647,053,669.80-970,580,504.70-284,256,613.80

Finding the Fourth Proportional to 647,053,669.80, 970,580,504.70 and 284,256,613.80

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Solution

The fourth proportional to 647,053,669.80, 970,580,504.70 and 284,256,613.80 is: 426,384,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,053,669.80 : 970,580,504.70 = 284,256,613.80 : x
  2. Step 2: Convert to fraction form
    647,053,669.80/970,580,504.70 = 284,256,613.80/x
  3. Step 3: Cross multiply
    647,053,669.80x = 970,580,504.70 × 284,256,613.80
  4. Step 4: Simplify right side
    647,053,669.80x = 275,893,927,686,317,024
  5. Step 5: Solve for x
    x = 275,893,927,686,317,024/647,053,669.80
  6. Step 6: Final answer
    x = 426,384,920.70

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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.