Home / 40,001,193,263.68-55,196,573,044.80-21,931,954,591.84

Finding the Fourth Proportional to 40,001,193,263.68, 55,196,573,044.80 and 21,931,954,591.84

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Solution

The fourth proportional to 40,001,193,263.68, 55,196,573,044.80 and 21,931,954,591.84 is: 30,263,315,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,193,263.68 : 55,196,573,044.80 = 21,931,954,591.84 : x
  2. Step 2: Convert to fraction form
    40,001,193,263.68/55,196,573,044.80 = 21,931,954,591.84/x
  3. Step 3: Cross multiply
    40,001,193,263.68x = 55,196,573,044.80 × 21,931,954,591.84
  4. Step 4: Simplify right side
    40,001,193,263.68x = 1,210,568,733,643,733,467,136
  5. Step 5: Solve for x
    x = 1,210,568,733,643,733,467,136/40,001,193,263.68
  6. Step 6: Final answer
    x = 30,263,315,538.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.