Home / 18,866,024,619.68-28,284,126,023.52-9,417,819,401.60

Finding the Fourth Proportional to 18,866,024,619.68, 28,284,126,023.52 and 9,417,819,401.60

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Solution

The fourth proportional to 18,866,024,619.68, 28,284,126,023.52 and 9,417,819,401.60 is: 14,119,285,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,024,619.68 : 28,284,126,023.52 = 9,417,819,401.60 : x
  2. Step 2: Convert to fraction form
    18,866,024,619.68/28,284,126,023.52 = 9,417,819,401.60/x
  3. Step 3: Cross multiply
    18,866,024,619.68x = 28,284,126,023.52 × 9,417,819,401.60
  4. Step 4: Simplify right side
    18,866,024,619.68x = 266,374,790,821,606,129,664
  5. Step 5: Solve for x
    x = 266,374,790,821,606,129,664/18,866,024,619.68
  6. Step 6: Final answer
    x = 14,119,285,657.23

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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.