Home / 909,601,260.80-1,255,253,522.54-491,913,546.14

Finding the Fourth Proportional to 909,601,260.80, 1,255,253,522.54 and 491,913,546.14

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Solution

The fourth proportional to 909,601,260.80, 1,255,253,522.54 and 491,913,546.14 is: 678,842,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,601,260.80 : 1,255,253,522.54 = 491,913,546.14 : x
  2. Step 2: Convert to fraction form
    909,601,260.80/1,255,253,522.54 = 491,913,546.14/x
  3. Step 3: Cross multiply
    909,601,260.80x = 1,255,253,522.54 × 491,913,546.14
  4. Step 4: Simplify right side
    909,601,260.80x = 617,476,211,578,056,448
  5. Step 5: Solve for x
    x = 617,476,211,578,056,448/909,601,260.80
  6. Step 6: Final answer
    x = 678,842,739.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.