Home / 8,859,472,071.20-13,289,208,106.80-7,419,033,389.60

Finding the Fourth Proportional to 8,859,472,071.20, 13,289,208,106.80 and 7,419,033,389.60

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Solution

The fourth proportional to 8,859,472,071.20, 13,289,208,106.80 and 7,419,033,389.60 is: 11,128,550,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,472,071.20 : 13,289,208,106.80 = 7,419,033,389.60 : x
  2. Step 2: Convert to fraction form
    8,859,472,071.20/13,289,208,106.80 = 7,419,033,389.60/x
  3. Step 3: Cross multiply
    8,859,472,071.20x = 13,289,208,106.80 × 7,419,033,389.60
  4. Step 4: Simplify right side
    8,859,472,071.20x = 98,593,078,665,692,200,960
  5. Step 5: Solve for x
    x = 98,593,078,665,692,200,960/8,859,472,071.20
  6. Step 6: Final answer
    x = 11,128,550,084.40

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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.