Home / 8,989,835,987.20-13,484,753,980.80-8,806,169,977.60

Finding the Fourth Proportional to 8,989,835,987.20, 13,484,753,980.80 and 8,806,169,977.60

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Solution

The fourth proportional to 8,989,835,987.20, 13,484,753,980.80 and 8,806,169,977.60 is: 13,209,254,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,835,987.20 : 13,484,753,980.80 = 8,806,169,977.60 : x
  2. Step 2: Convert to fraction form
    8,989,835,987.20/13,484,753,980.80 = 8,806,169,977.60/x
  3. Step 3: Cross multiply
    8,989,835,987.20x = 13,484,753,980.80 × 8,806,169,977.60
  4. Step 4: Simplify right side
    8,989,835,987.20x = 118,749,035,661,043,040,256
  5. Step 5: Solve for x
    x = 118,749,035,661,043,040,256/8,989,835,987.20
  6. Step 6: Final answer
    x = 13,209,254,966.40

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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.