Home / 10,081,926,495.70-15,122,889,743.55-5,432,880,627.70

Finding the Fourth Proportional to 10,081,926,495.70, 15,122,889,743.55 and 5,432,880,627.70

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Solution

The fourth proportional to 10,081,926,495.70, 15,122,889,743.55 and 5,432,880,627.70 is: 8,149,320,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,926,495.70 : 15,122,889,743.55 = 5,432,880,627.70 : x
  2. Step 2: Convert to fraction form
    10,081,926,495.70/15,122,889,743.55 = 5,432,880,627.70/x
  3. Step 3: Cross multiply
    10,081,926,495.70x = 15,122,889,743.55 × 5,432,880,627.70
  4. Step 4: Simplify right side
    10,081,926,495.70x = 82,160,854,722,575,810,560
  5. Step 5: Solve for x
    x = 82,160,854,722,575,810,560/10,081,926,495.70
  6. Step 6: Final answer
    x = 8,149,320,941.55

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Double scale
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Similar ratio
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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.