Home / 318,482,871,452.94-439,506,345,796.65-171,995,318,764.14

Finding the Fourth Proportional to 318,482,871,452.94, 439,506,345,796.65 and 171,995,318,764.14

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Solution

The fourth proportional to 318,482,871,452.94, 439,506,345,796.65 and 171,995,318,764.14 is: 237,353,530,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,482,871,452.94 : 439,506,345,796.65 = 171,995,318,764.14 : x
  2. Step 2: Convert to fraction form
    318,482,871,452.94/439,506,345,796.65 = 171,995,318,764.14/x
  3. Step 3: Cross multiply
    318,482,871,452.94x = 439,506,345,796.65 × 171,995,318,764.14
  4. Step 4: Simplify right side
    318,482,871,452.94x = 75,593,034,044,157,164,781,568
  5. Step 5: Solve for x
    x = 75,593,034,044,157,164,781,568/318,482,871,452.94
  6. Step 6: Final answer
    x = 237,353,530,817.20

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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.