Home / 13,357,639,072.02-18,435,242,526.21-8,077,279,087.38

Finding the Fourth Proportional to 13,357,639,072.02, 18,435,242,526.21 and 8,077,279,087.38

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Solution

The fourth proportional to 13,357,639,072.02, 18,435,242,526.21 and 8,077,279,087.38 is: 11,147,673,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,639,072.02 : 18,435,242,526.21 = 8,077,279,087.38 : x
  2. Step 2: Convert to fraction form
    13,357,639,072.02/18,435,242,526.21 = 8,077,279,087.38/x
  3. Step 3: Cross multiply
    13,357,639,072.02x = 18,435,242,526.21 × 8,077,279,087.38
  4. Step 4: Simplify right side
    13,357,639,072.02x = 148,906,598,927,734,472,704
  5. Step 5: Solve for x
    x = 148,906,598,927,734,472,704/13,357,639,072.02
  6. Step 6: Final answer
    x = 11,147,673,486.68

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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.