Home / 517,727,225.76-776,699,906.17-167,945,981.91

Finding the Fourth Proportional to 517,727,225.76, 776,699,906.17 and 167,945,981.91

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Solution

The fourth proportional to 517,727,225.76, 776,699,906.17 and 167,945,981.91 is: 251,954,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,727,225.76 : 776,699,906.17 = 167,945,981.91 : x
  2. Step 2: Convert to fraction form
    517,727,225.76/776,699,906.17 = 167,945,981.91/x
  3. Step 3: Cross multiply
    517,727,225.76x = 776,699,906.17 × 167,945,981.91
  4. Step 4: Simplify right side
    517,727,225.76x = 130,443,628,387,242,016
  5. Step 5: Solve for x
    x = 130,443,628,387,242,016/517,727,225.76
  6. Step 6: Final answer
    x = 251,954,353.37

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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.