Home / 9,160,703,981.60-13,741,055,972.40-8,543,948,986.40

Finding the Fourth Proportional to 9,160,703,981.60, 13,741,055,972.40 and 8,543,948,986.40

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Solution

The fourth proportional to 9,160,703,981.60, 13,741,055,972.40 and 8,543,948,986.40 is: 12,815,923,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,703,981.60 : 13,741,055,972.40 = 8,543,948,986.40 : x
  2. Step 2: Convert to fraction form
    9,160,703,981.60/13,741,055,972.40 = 8,543,948,986.40/x
  3. Step 3: Cross multiply
    9,160,703,981.60x = 13,741,055,972.40 × 8,543,948,986.40
  4. Step 4: Simplify right side
    9,160,703,981.60x = 117,402,881,247,452,643,328
  5. Step 5: Solve for x
    x = 117,402,881,247,452,643,328/9,160,703,981.60
  6. Step 6: Final answer
    x = 12,815,923,479.60

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Double scale
Find fourth proportional to 9,160,703,982.60, 13,741,055,973.90 and 8,543,948,987.40
Similar ratio
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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.