Home / 650,395,891,090.25-897,570,552,511.50-390,015,992,662.59

Finding the Fourth Proportional to 650,395,891,090.25, 897,570,552,511.50 and 390,015,992,662.59

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Solution

The fourth proportional to 650,395,891,090.25, 897,570,552,511.50 and 390,015,992,662.59 is: 538,236,595,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,395,891,090.25 : 897,570,552,511.50 = 390,015,992,662.59 : x
  2. Step 2: Convert to fraction form
    650,395,891,090.25/897,570,552,511.50 = 390,015,992,662.59/x
  3. Step 3: Cross multiply
    650,395,891,090.25x = 897,570,552,511.50 × 390,015,992,662.59
  4. Step 4: Simplify right side
    650,395,891,090.25x = 350,066,870,022,482,054,610,944
  5. Step 5: Solve for x
    x = 350,066,870,022,482,054,610,944/650,395,891,090.25
  6. Step 6: Final answer
    x = 538,236,595,307.62

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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.