Home / 18,718,316,982.60-28,077,473,768.94-8,237,533,399.08

Finding the Fourth Proportional to 18,718,316,982.60, 28,077,473,768.94 and 8,237,533,399.08

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Solution

The fourth proportional to 18,718,316,982.60, 28,077,473,768.94 and 8,237,533,399.08 is: 12,356,299,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,316,982.60 : 28,077,473,768.94 = 8,237,533,399.08 : x
  2. Step 2: Convert to fraction form
    18,718,316,982.60/28,077,473,768.94 = 8,237,533,399.08/x
  3. Step 3: Cross multiply
    18,718,316,982.60x = 28,077,473,768.94 × 8,237,533,399.08
  4. Step 4: Simplify right side
    18,718,316,982.60x = 231,289,127,933,435,838,464
  5. Step 5: Solve for x
    x = 231,289,127,933,435,838,464/18,718,316,982.60
  6. Step 6: Final answer
    x = 12,356,299,348.30

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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.