Home / 8,955,622,072.92-12,357,227,861.82-5,195,570,709.72

Finding the Fourth Proportional to 8,955,622,072.92, 12,357,227,861.82 and 5,195,570,709.72

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Solution

The fourth proportional to 8,955,622,072.92, 12,357,227,861.82 and 5,195,570,709.72 is: 7,168,999,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,622,072.92 : 12,357,227,861.82 = 5,195,570,709.72 : x
  2. Step 2: Convert to fraction form
    8,955,622,072.92/12,357,227,861.82 = 5,195,570,709.72/x
  3. Step 3: Cross multiply
    8,955,622,072.92x = 12,357,227,861.82 × 5,195,570,709.72
  4. Step 4: Simplify right side
    8,955,622,072.92x = 64,202,851,132,207,898,624
  5. Step 5: Solve for x
    x = 64,202,851,132,207,898,624/8,955,622,072.92
  6. Step 6: Final answer
    x = 7,168,999,608.23

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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.