Home / 1,448,135,290.40-2,172,202,935.60-528,041,645.60

Finding the Fourth Proportional to 1,448,135,290.40, 2,172,202,935.60 and 528,041,645.60

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Solution

The fourth proportional to 1,448,135,290.40, 2,172,202,935.60 and 528,041,645.60 is: 792,062,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,135,290.40 : 2,172,202,935.60 = 528,041,645.60 : x
  2. Step 2: Convert to fraction form
    1,448,135,290.40/2,172,202,935.60 = 528,041,645.60/x
  3. Step 3: Cross multiply
    1,448,135,290.40x = 2,172,202,935.60 × 528,041,645.60
  4. Step 4: Simplify right side
    1,448,135,290.40x = 1,147,013,612,691,374,848
  5. Step 5: Solve for x
    x = 1,147,013,612,691,374,848/1,448,135,290.40
  6. Step 6: Final answer
    x = 792,062,468.40

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Double scale
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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.