Home / 27,835,632,081.76-38,421,266,725.92-18,191,812,804.60

Finding the Fourth Proportional to 27,835,632,081.76, 38,421,266,725.92 and 18,191,812,804.60

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Solution

The fourth proportional to 27,835,632,081.76, 38,421,266,725.92 and 18,191,812,804.60 is: 25,109,991,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835,632,081.76 : 38,421,266,725.92 = 18,191,812,804.60 : x
  2. Step 2: Convert to fraction form
    27,835,632,081.76/38,421,266,725.92 = 18,191,812,804.60/x
  3. Step 3: Cross multiply
    27,835,632,081.76x = 38,421,266,725.92 × 18,191,812,804.60
  4. Step 4: Simplify right side
    27,835,632,081.76x = 698,952,491,993,543,344,128
  5. Step 5: Solve for x
    x = 698,952,491,993,543,344,128/27,835,632,081.76
  6. Step 6: Final answer
    x = 25,109,991,752.32

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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.