Home / 292,214,720,909.57-403,113,015,561.87-253,579,414,425.53

Finding the Fourth Proportional to 292,214,720,909.57, 403,113,015,561.87 and 253,579,414,425.53

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Solution

The fourth proportional to 292,214,720,909.57, 403,113,015,561.87 and 253,579,414,425.53 is: 349,815,238,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,214,720,909.57 : 403,113,015,561.87 = 253,579,414,425.53 : x
  2. Step 2: Convert to fraction form
    292,214,720,909.57/403,113,015,561.87 = 253,579,414,425.53/x
  3. Step 3: Cross multiply
    292,214,720,909.57x = 403,113,015,561.87 × 253,579,414,425.53
  4. Step 4: Simplify right side
    292,214,720,909.57x = 102,221,162,433,488,554,557,440
  5. Step 5: Solve for x
    x = 102,221,162,433,488,554,557,440/292,214,720,909.57
  6. Step 6: Final answer
    x = 349,815,238,997.23

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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.