Home / 318,900,615,261.15-439,875,487,471.11-204,534,086,908.35

Finding the Fourth Proportional to 318,900,615,261.15, 439,875,487,471.11 and 204,534,086,908.35

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Solution

The fourth proportional to 318,900,615,261.15, 439,875,487,471.11 and 204,534,086,908.35 is: 282,124,043,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,900,615,261.15 : 439,875,487,471.11 = 204,534,086,908.35 : x
  2. Step 2: Convert to fraction form
    318,900,615,261.15/439,875,487,471.11 = 204,534,086,908.35/x
  3. Step 3: Cross multiply
    318,900,615,261.15x = 439,875,487,471.11 × 204,534,086,908.35
  4. Step 4: Simplify right side
    318,900,615,261.15x = 89,969,531,183,268,840,341,504
  5. Step 5: Solve for x
    x = 89,969,531,183,268,840,341,504/318,900,615,261.15
  6. Step 6: Final answer
    x = 282,124,043,911.27

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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.