Home / 71,559,937,220.40-107,339,905,830.60-19,220,415,274.80

Finding the Fourth Proportional to 71,559,937,220.40, 107,339,905,830.60 and 19,220,415,274.80

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Solution

The fourth proportional to 71,559,937,220.40, 107,339,905,830.60 and 19,220,415,274.80 is: 28,830,622,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,559,937,220.40 : 107,339,905,830.60 = 19,220,415,274.80 : x
  2. Step 2: Convert to fraction form
    71,559,937,220.40/107,339,905,830.60 = 19,220,415,274.80/x
  3. Step 3: Cross multiply
    71,559,937,220.40x = 107,339,905,830.60 × 19,220,415,274.80
  4. Step 4: Simplify right side
    71,559,937,220.40x = 2,063,117,565,622,057,959,424
  5. Step 5: Solve for x
    x = 2,063,117,565,622,057,959,424/71,559,937,220.40
  6. Step 6: Final answer
    x = 28,830,622,912.20

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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.