Home / 497,786,012.60-686,944,764.63-274,767,736.32

Finding the Fourth Proportional to 497,786,012.60, 686,944,764.63 and 274,767,736.32

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Solution

The fourth proportional to 497,786,012.60, 686,944,764.63 and 274,767,736.32 is: 379,179,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,786,012.60 : 686,944,764.63 = 274,767,736.32 : x
  2. Step 2: Convert to fraction form
    497,786,012.60/686,944,764.63 = 274,767,736.32/x
  3. Step 3: Cross multiply
    497,786,012.60x = 686,944,764.63 × 274,767,736.32
  4. Step 4: Simplify right side
    497,786,012.60x = 188,750,257,955,290,752
  5. Step 5: Solve for x
    x = 188,750,257,955,290,752/497,786,012.60
  6. Step 6: Final answer
    x = 379,179,513.24

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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.