Home / 71,559,937,231.90-107,339,905,847.85-19,220,415,286.30

Finding the Fourth Proportional to 71,559,937,231.90, 107,339,905,847.85 and 19,220,415,286.30

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Solution

The fourth proportional to 71,559,937,231.90, 107,339,905,847.85 and 19,220,415,286.30 is: 28,830,622,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,559,937,231.90 : 107,339,905,847.85 = 19,220,415,286.30 : x
  2. Step 2: Convert to fraction form
    71,559,937,231.90/107,339,905,847.85 = 19,220,415,286.30/x
  3. Step 3: Cross multiply
    71,559,937,231.90x = 107,339,905,847.85 × 19,220,415,286.30
  4. Step 4: Simplify right side
    71,559,937,231.90x = 2,063,117,567,188,018,921,472
  5. Step 5: Solve for x
    x = 2,063,117,567,188,018,921,472/71,559,937,231.90
  6. Step 6: Final answer
    x = 28,830,622,929.45

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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.