Home / 8,012,817,387.75-11,057,652,572.69-4,579,458,422.74

Finding the Fourth Proportional to 8,012,817,387.75, 11,057,652,572.69 and 4,579,458,422.74

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Solution

The fourth proportional to 8,012,817,387.75, 11,057,652,572.69 and 4,579,458,422.74 is: 6,319,632,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,817,387.75 : 11,057,652,572.69 = 4,579,458,422.74 : x
  2. Step 2: Convert to fraction form
    8,012,817,387.75/11,057,652,572.69 = 4,579,458,422.74/x
  3. Step 3: Cross multiply
    8,012,817,387.75x = 11,057,652,572.69 × 4,579,458,422.74
  4. Step 4: Simplify right side
    8,012,817,387.75x = 50,638,060,209,722,843,136
  5. Step 5: Solve for x
    x = 50,638,060,209,722,843,136/8,012,817,387.75
  6. Step 6: Final answer
    x = 6,319,632,378.88

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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.