Home / 8,293,212,272.40-12,439,818,408.60-7,749,016,688.40

Finding the Fourth Proportional to 8,293,212,272.40, 12,439,818,408.60 and 7,749,016,688.40

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Solution

The fourth proportional to 8,293,212,272.40, 12,439,818,408.60 and 7,749,016,688.40 is: 11,623,525,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293,212,272.40 : 12,439,818,408.60 = 7,749,016,688.40 : x
  2. Step 2: Convert to fraction form
    8,293,212,272.40/12,439,818,408.60 = 7,749,016,688.40/x
  3. Step 3: Cross multiply
    8,293,212,272.40x = 12,439,818,408.60 × 7,749,016,688.40
  4. Step 4: Simplify right side
    8,293,212,272.40x = 96,396,360,448,906,936,320
  5. Step 5: Solve for x
    x = 96,396,360,448,906,936,320/8,293,212,272.40
  6. Step 6: Final answer
    x = 11,623,525,032.60

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Double scale
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Similar ratio
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1.5x scale

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.