Home / 6,989,518,308-9,645,471,591.76-3,817,701,383.68

Finding the Fourth Proportional to 6,989,518,308, 9,645,471,591.76 and 3,817,701,383.68

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Solution

The fourth proportional to 6,989,518,308, 9,645,471,591.76 and 3,817,701,383.68 is: 5,268,393,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,518,308 : 9,645,471,591.76 = 3,817,701,383.68 : x
  2. Step 2: Convert to fraction form
    6,989,518,308/9,645,471,591.76 = 3,817,701,383.68/x
  3. Step 3: Cross multiply
    6,989,518,308x = 9,645,471,591.76 × 3,817,701,383.68
  4. Step 4: Simplify right side
    6,989,518,308x = 36,823,530,242,108,284,928
  5. Step 5: Solve for x
    x = 36,823,530,242,108,284,928/6,989,518,308
  6. Step 6: Final answer
    x = 5,268,393,130.89

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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.