Home / 18,701,861,183.34-25,808,249,468.08-10,128,218,340.90

Finding the Fourth Proportional to 18,701,861,183.34, 25,808,249,468.08 and 10,128,218,340.90

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Solution

The fourth proportional to 18,701,861,183.34, 25,808,249,468.08 and 10,128,218,340.90 is: 13,976,768,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,861,183.34 : 25,808,249,468.08 = 10,128,218,340.90 : x
  2. Step 2: Convert to fraction form
    18,701,861,183.34/25,808,249,468.08 = 10,128,218,340.90/x
  3. Step 3: Cross multiply
    18,701,861,183.34x = 25,808,249,468.08 × 10,128,218,340.90
  4. Step 4: Simplify right side
    18,701,861,183.34x = 261,391,585,609,130,541,056
  5. Step 5: Solve for x
    x = 261,391,585,609,130,541,056/18,701,861,183.34
  6. Step 6: Final answer
    x = 13,976,768,571.14

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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.