Home / 1,136,693,693.20-1,705,040,539.80-646,917,667.60

Finding the Fourth Proportional to 1,136,693,693.20, 1,705,040,539.80 and 646,917,667.60

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Solution

The fourth proportional to 1,136,693,693.20, 1,705,040,539.80 and 646,917,667.60 is: 970,376,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,693.20 : 1,705,040,539.80 = 646,917,667.60 : x
  2. Step 2: Convert to fraction form
    1,136,693,693.20/1,705,040,539.80 = 646,917,667.60/x
  3. Step 3: Cross multiply
    1,136,693,693.20x = 1,705,040,539.80 × 646,917,667.60
  4. Step 4: Simplify right side
    1,136,693,693.20x = 1,103,020,849,170,860,928
  5. Step 5: Solve for x
    x = 1,103,020,849,170,860,928/1,136,693,693.20
  6. Step 6: Final answer
    x = 970,376,501.40

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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.