Home / 560,528,525.63-773,514,378.82-309,627,517.43

Finding the Fourth Proportional to 560,528,525.63, 773,514,378.82 and 309,627,517.43

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Solution

The fourth proportional to 560,528,525.63, 773,514,378.82 and 309,627,517.43 is: 427,277,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,528,525.63 : 773,514,378.82 = 309,627,517.43 : x
  2. Step 2: Convert to fraction form
    560,528,525.63/773,514,378.82 = 309,627,517.43/x
  3. Step 3: Cross multiply
    560,528,525.63x = 773,514,378.82 × 309,627,517.43
  4. Step 4: Simplify right side
    560,528,525.63x = 239,501,336,810,445,184
  5. Step 5: Solve for x
    x = 239,501,336,810,445,184/560,528,525.63
  6. Step 6: Final answer
    x = 427,277,695.71

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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.