Home / 318,482,866,463.64-439,506,338,909.28-171,995,313,777.06

Finding the Fourth Proportional to 318,482,866,463.64, 439,506,338,909.28 and 171,995,313,777.06

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Solution

The fourth proportional to 318,482,866,463.64, 439,506,338,909.28 and 171,995,313,777.06 is: 237,353,523,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,482,866,463.64 : 439,506,338,909.28 = 171,995,313,777.06 : x
  2. Step 2: Convert to fraction form
    318,482,866,463.64/439,506,338,909.28 = 171,995,313,777.06/x
  3. Step 3: Cross multiply
    318,482,866,463.64x = 439,506,338,909.28 × 171,995,313,777.06
  4. Step 4: Simplify right side
    318,482,866,463.64x = 75,593,030,667,708,487,696,384
  5. Step 5: Solve for x
    x = 75,593,030,667,708,487,696,384/318,482,866,463.64
  6. Step 6: Final answer
    x = 237,353,523,933.88

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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.