Home / 318,900,615,258.96-439,875,487,468.08-204,534,086,906.16

Finding the Fourth Proportional to 318,900,615,258.96, 439,875,487,468.08 and 204,534,086,906.16

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Solution

The fourth proportional to 318,900,615,258.96, 439,875,487,468.08 and 204,534,086,906.16 is: 282,124,043,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,900,615,258.96 : 439,875,487,468.08 = 204,534,086,906.16 : x
  2. Step 2: Convert to fraction form
    318,900,615,258.96/439,875,487,468.08 = 204,534,086,906.16/x
  3. Step 3: Cross multiply
    318,900,615,258.96x = 439,875,487,468.08 × 204,534,086,906.16
  4. Step 4: Simplify right side
    318,900,615,258.96x = 89,969,531,181,685,775,794,176
  5. Step 5: Solve for x
    x = 89,969,531,181,685,775,794,176/318,900,615,258.96
  6. Step 6: Final answer
    x = 282,124,043,908.25

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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.