Home / 6,400,749,756.82-8,832,842,905.22-3,543,009,107.61

Finding the Fourth Proportional to 6,400,749,756.82, 8,832,842,905.22 and 3,543,009,107.61

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Solution

The fourth proportional to 6,400,749,756.82, 8,832,842,905.22 and 3,543,009,107.61 is: 4,889,246,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,749,756.82 : 8,832,842,905.22 = 3,543,009,107.61 : x
  2. Step 2: Convert to fraction form
    6,400,749,756.82/8,832,842,905.22 = 3,543,009,107.61/x
  3. Step 3: Cross multiply
    6,400,749,756.82x = 8,832,842,905.22 × 3,543,009,107.61
  4. Step 4: Simplify right side
    6,400,749,756.82x = 31,294,842,859,228,913,664
  5. Step 5: Solve for x
    x = 31,294,842,859,228,913,664/6,400,749,756.82
  6. Step 6: Final answer
    x = 4,889,246,423.97

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Double scale
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1.5x scale

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.