Home / 204,397,655,008.60-306,596,482,512.90-137,451,394,509.40

Finding the Fourth Proportional to 204,397,655,008.60, 306,596,482,512.90 and 137,451,394,509.40

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Solution

The fourth proportional to 204,397,655,008.60, 306,596,482,512.90 and 137,451,394,509.40 is: 206,177,091,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,397,655,008.60 : 306,596,482,512.90 = 137,451,394,509.40 : x
  2. Step 2: Convert to fraction form
    204,397,655,008.60/306,596,482,512.90 = 137,451,394,509.40/x
  3. Step 3: Cross multiply
    204,397,655,008.60x = 306,596,482,512.90 × 137,451,394,509.40
  4. Step 4: Simplify right side
    204,397,655,008.60x = 42,142,114,073,074,974,326,784
  5. Step 5: Solve for x
    x = 42,142,114,073,074,974,326,784/204,397,655,008.60
  6. Step 6: Final answer
    x = 206,177,091,764.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.