Home / 1,279,411,625.25-1,919,117,437.88-310,063,241.25

Finding the Fourth Proportional to 1,279,411,625.25, 1,919,117,437.88 and 310,063,241.25

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Solution

The fourth proportional to 1,279,411,625.25, 1,919,117,437.88 and 310,063,241.25 is: 465,094,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,411,625.25 : 1,919,117,437.88 = 310,063,241.25 : x
  2. Step 2: Convert to fraction form
    1,279,411,625.25/1,919,117,437.88 = 310,063,241.25/x
  3. Step 3: Cross multiply
    1,279,411,625.25x = 1,919,117,437.88 × 310,063,241.25
  4. Step 4: Simplify right side
    1,279,411,625.25x = 595,047,773,126,918,016
  5. Step 5: Solve for x
    x = 595,047,773,126,918,016/1,279,411,625.25
  6. Step 6: Final answer
    x = 465,094,861.88

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Double scale
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Similar ratio
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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.