Home / 8,989,838,993.20-13,484,758,489.80-8,806,172,983.60

Finding the Fourth Proportional to 8,989,838,993.20, 13,484,758,489.80 and 8,806,172,983.60

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Solution

The fourth proportional to 8,989,838,993.20, 13,484,758,489.80 and 8,806,172,983.60 is: 13,209,259,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,838,993.20 : 13,484,758,489.80 = 8,806,172,983.60 : x
  2. Step 2: Convert to fraction form
    8,989,838,993.20/13,484,758,489.80 = 8,806,172,983.60/x
  3. Step 3: Cross multiply
    8,989,838,993.20x = 13,484,758,489.80 × 8,806,172,983.60
  4. Step 4: Simplify right side
    8,989,838,993.20x = 118,749,115,903,247,499,264
  5. Step 5: Solve for x
    x = 118,749,115,903,247,499,264/8,989,838,993.20
  6. Step 6: Final answer
    x = 13,209,259,475.40

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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.