Home / 343,375,680,663.37-515,063,399,766.55-91,830,337,014.70

Finding the Fourth Proportional to 343,375,680,663.37, 515,063,399,766.55 and 91,830,337,014.70

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Solution

The fourth proportional to 343,375,680,663.37, 515,063,399,766.55 and 91,830,337,014.70 is: 137,745,473,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,375,680,663.37 : 515,063,399,766.55 = 91,830,337,014.70 : x
  2. Step 2: Convert to fraction form
    343,375,680,663.37/515,063,399,766.55 = 91,830,337,014.70/x
  3. Step 3: Cross multiply
    343,375,680,663.37x = 515,063,399,766.55 × 91,830,337,014.70
  4. Step 4: Simplify right side
    343,375,680,663.37x = 47,298,445,584,499,434,586,112
  5. Step 5: Solve for x
    x = 47,298,445,584,499,434,586,112/343,375,680,663.37
  6. Step 6: Final answer
    x = 137,745,473,101.42

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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.