Home / 1,489,068,358.18-2,054,848,048.93-853,533,233.73

Finding the Fourth Proportional to 1,489,068,358.18, 2,054,848,048.93 and 853,533,233.73

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Solution

The fourth proportional to 1,489,068,358.18, 2,054,848,048.93 and 853,533,233.73 is: 1,177,837,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,068,358.18 : 2,054,848,048.93 = 853,533,233.73 : x
  2. Step 2: Convert to fraction form
    1,489,068,358.18/2,054,848,048.93 = 853,533,233.73/x
  3. Step 3: Cross multiply
    1,489,068,358.18x = 2,054,848,048.93 × 853,533,233.73
  4. Step 4: Simplify right side
    1,489,068,358.18x = 1,753,881,100,028,113,664
  5. Step 5: Solve for x
    x = 1,753,881,100,028,113,664/1,489,068,358.18
  6. Step 6: Final answer
    x = 1,177,837,867.82

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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.