Home / 253,295,644,753.15-380,007,777,854.76-117,255,845,710.87

Finding the Fourth Proportional to 253,295,644,753.15, 380,007,777,854.76 and 117,255,845,710.87

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Solution

The fourth proportional to 253,295,644,753.15, 380,007,777,854.76 and 117,255,845,710.87 is: 175,913,539,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,295,644,753.15 : 380,007,777,854.76 = 117,255,845,710.87 : x
  2. Step 2: Convert to fraction form
    253,295,644,753.15/380,007,777,854.76 = 117,255,845,710.87/x
  3. Step 3: Cross multiply
    253,295,644,753.15x = 380,007,777,854.76 × 117,255,845,710.87
  4. Step 4: Simplify right side
    253,295,644,753.15x = 44,558,133,369,068,299,747,328
  5. Step 5: Solve for x
    x = 44,558,133,369,068,299,747,328/253,295,644,753.15
  6. Step 6: Final answer
    x = 175,913,539,344.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.