Home / 18,701,861,047.63-25,808,249,280.57-10,128,218,204.71

Finding the Fourth Proportional to 18,701,861,047.63, 25,808,249,280.57 and 10,128,218,204.71

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Solution

The fourth proportional to 18,701,861,047.63, 25,808,249,280.57 and 10,128,218,204.71 is: 13,976,768,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,861,047.63 : 25,808,249,280.57 = 10,128,218,204.71 : x
  2. Step 2: Convert to fraction form
    18,701,861,047.63/25,808,249,280.57 = 10,128,218,204.71/x
  3. Step 3: Cross multiply
    18,701,861,047.63x = 25,808,249,280.57 × 10,128,218,204.71
  4. Step 4: Simplify right side
    18,701,861,047.63x = 261,391,580,194,983,149,568
  5. Step 5: Solve for x
    x = 261,391,580,194,983,149,568/18,701,861,047.63
  6. Step 6: Final answer
    x = 13,976,768,383.07

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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.