Home / 13,513,716,615.60-20,270,574,923.40-9,381,231,399.60

Finding the Fourth Proportional to 13,513,716,615.60, 20,270,574,923.40 and 9,381,231,399.60

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Solution

The fourth proportional to 13,513,716,615.60, 20,270,574,923.40 and 9,381,231,399.60 is: 14,071,847,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,716,615.60 : 20,270,574,923.40 = 9,381,231,399.60 : x
  2. Step 2: Convert to fraction form
    13,513,716,615.60/20,270,574,923.40 = 9,381,231,399.60/x
  3. Step 3: Cross multiply
    13,513,716,615.60x = 20,270,574,923.40 × 9,381,231,399.60
  4. Step 4: Simplify right side
    13,513,716,615.60x = 190,162,953,959,344,472,064
  5. Step 5: Solve for x
    x = 190,162,953,959,344,472,064/13,513,716,615.60
  6. Step 6: Final answer
    x = 14,071,847,099.40

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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.