Home / 1,513,598,611.60-2,270,397,917.40-990,580,951.45

Finding the Fourth Proportional to 1,513,598,611.60, 2,270,397,917.40 and 990,580,951.45

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Solution

The fourth proportional to 1,513,598,611.60, 2,270,397,917.40 and 990,580,951.45 is: 1,485,871,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,598,611.60 : 2,270,397,917.40 = 990,580,951.45 : x
  2. Step 2: Convert to fraction form
    1,513,598,611.60/2,270,397,917.40 = 990,580,951.45/x
  3. Step 3: Cross multiply
    1,513,598,611.60x = 2,270,397,917.40 × 990,580,951.45
  4. Step 4: Simplify right side
    1,513,598,611.60x = 2,249,012,929,188,190,720
  5. Step 5: Solve for x
    x = 2,249,012,929,188,190,720/1,513,598,611.60
  6. Step 6: Final answer
    x = 1,485,871,427.18

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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.