Home / 1,513,365,863.60-2,270,048,795.40-422,848,931.60

Finding the Fourth Proportional to 1,513,365,863.60, 2,270,048,795.40 and 422,848,931.60

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Solution

The fourth proportional to 1,513,365,863.60, 2,270,048,795.40 and 422,848,931.60 is: 634,273,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,365,863.60 : 2,270,048,795.40 = 422,848,931.60 : x
  2. Step 2: Convert to fraction form
    1,513,365,863.60/2,270,048,795.40 = 422,848,931.60/x
  3. Step 3: Cross multiply
    1,513,365,863.60x = 2,270,048,795.40 × 422,848,931.60
  4. Step 4: Simplify right side
    1,513,365,863.60x = 959,887,707,814,757,120
  5. Step 5: Solve for x
    x = 959,887,707,814,757,120/1,513,365,863.60
  6. Step 6: Final answer
    x = 634,273,397.40

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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.