Home / 497,633,112.63-686,733,990.87-277,616,538.63

Finding the Fourth Proportional to 497,633,112.63, 686,733,990.87 and 277,616,538.63

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Solution

The fourth proportional to 497,633,112.63, 686,733,990.87 and 277,616,538.63 is: 383,110,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,633,112.63 : 686,733,990.87 = 277,616,538.63 : x
  2. Step 2: Convert to fraction form
    497,633,112.63/686,733,990.87 = 277,616,538.63/x
  3. Step 3: Cross multiply
    497,633,112.63x = 686,733,990.87 × 277,616,538.63
  4. Step 4: Simplify right side
    497,633,112.63x = 190,648,713,504,895,424
  5. Step 5: Solve for x
    x = 190,648,713,504,895,424/497,633,112.63
  6. Step 6: Final answer
    x = 383,110,988.13

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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.