Home / 18,701,861,178.33-25,808,249,461.19-10,128,218,335.88

Finding the Fourth Proportional to 18,701,861,178.33, 25,808,249,461.19 and 10,128,218,335.88

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Solution

The fourth proportional to 18,701,861,178.33, 25,808,249,461.19 and 10,128,218,335.88 is: 13,976,768,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,861,178.33 : 25,808,249,461.19 = 10,128,218,335.88 : x
  2. Step 2: Convert to fraction form
    18,701,861,178.33/25,808,249,461.19 = 10,128,218,335.88/x
  3. Step 3: Cross multiply
    18,701,861,178.33x = 25,808,249,461.19 × 10,128,218,335.88
  4. Step 4: Simplify right side
    18,701,861,178.33x = 261,391,585,409,620,148,224
  5. Step 5: Solve for x
    x = 261,391,585,409,620,148,224/18,701,861,178.33
  6. Step 6: Final answer
    x = 13,976,768,564.22

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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.