Home / 212,306,861,251.44-318,461,482,403.64-70,815,894,487.35

Finding the Fourth Proportional to 212,306,861,251.44, 318,461,482,403.64 and 70,815,894,487.35

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Solution

The fourth proportional to 212,306,861,251.44, 318,461,482,403.64 and 70,815,894,487.35 is: 106,224,238,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,306,861,251.44 : 318,461,482,403.64 = 70,815,894,487.35 : x
  2. Step 2: Convert to fraction form
    212,306,861,251.44/318,461,482,403.64 = 70,815,894,487.35/x
  3. Step 3: Cross multiply
    212,306,861,251.44x = 318,461,482,403.64 × 70,815,894,487.35
  4. Step 4: Simplify right side
    212,306,861,251.44x = 22,552,134,736,181,242,888,192
  5. Step 5: Solve for x
    x = 22,552,134,736,181,242,888,192/212,306,861,251.44
  6. Step 6: Final answer
    x = 106,224,238,836.41

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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.