Home / 318,482,871,308.66-439,506,345,597.40-171,995,318,620.68

Finding the Fourth Proportional to 318,482,871,308.66, 439,506,345,597.40 and 171,995,318,620.68

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Solution

The fourth proportional to 318,482,871,308.66, 439,506,345,597.40 and 171,995,318,620.68 is: 237,353,530,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,482,871,308.66 : 439,506,345,597.40 = 171,995,318,620.68 : x
  2. Step 2: Convert to fraction form
    318,482,871,308.66/439,506,345,597.40 = 171,995,318,620.68/x
  3. Step 3: Cross multiply
    318,482,871,308.66x = 439,506,345,597.40 × 171,995,318,620.68
  4. Step 4: Simplify right side
    318,482,871,308.66x = 75,593,033,946,835,504,332,800
  5. Step 5: Solve for x
    x = 75,593,033,946,835,504,332,800/318,482,871,308.66
  6. Step 6: Final answer
    x = 237,353,530,619.15

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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.