Home / 497,633,105.25-686,733,980.70-277,616,531.25

Finding the Fourth Proportional to 497,633,105.25, 686,733,980.70 and 277,616,531.25

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Solution

The fourth proportional to 497,633,105.25, 686,733,980.70 and 277,616,531.25 is: 383,110,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,633,105.25 : 686,733,980.70 = 277,616,531.25 : x
  2. Step 2: Convert to fraction form
    497,633,105.25/686,733,980.70 = 277,616,531.25/x
  3. Step 3: Cross multiply
    497,633,105.25x = 686,733,980.70 × 277,616,531.25
  4. Step 4: Simplify right side
    497,633,105.25x = 190,648,705,613,438,464
  5. Step 5: Solve for x
    x = 190,648,705,613,438,464/497,633,105.25
  6. Step 6: Final answer
    x = 383,110,977.95

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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.