Home / 509,951,210,442.20-764,926,815,663.30-211,677,610,851.80

Finding the Fourth Proportional to 509,951,210,442.20, 764,926,815,663.30 and 211,677,610,851.80

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Solution

The fourth proportional to 509,951,210,442.20, 764,926,815,663.30 and 211,677,610,851.80 is: 317,516,416,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,951,210,442.20 : 764,926,815,663.30 = 211,677,610,851.80 : x
  2. Step 2: Convert to fraction form
    509,951,210,442.20/764,926,815,663.30 = 211,677,610,851.80/x
  3. Step 3: Cross multiply
    509,951,210,442.20x = 764,926,815,663.30 × 211,677,610,851.80
  4. Step 4: Simplify right side
    509,951,210,442.20x = 161,917,880,816,082,572,279,808
  5. Step 5: Solve for x
    x = 161,917,880,816,082,572,279,808/509,951,210,442.20
  6. Step 6: Final answer
    x = 317,516,416,277.70

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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.