Home / 509,814,610,662.60-764,344,916,363.10-308,311,548,232.21

Finding the Fourth Proportional to 509,814,610,662.60, 764,344,916,363.10 and 308,311,548,232.21

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Solution

The fourth proportional to 509,814,610,662.60, 764,344,916,363.10 and 308,311,548,232.21 is: 462,239,330,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814,610,662.60 : 764,344,916,363.10 = 308,311,548,232.21 : x
  2. Step 2: Convert to fraction form
    509,814,610,662.60/764,344,916,363.10 = 308,311,548,232.21/x
  3. Step 3: Cross multiply
    509,814,610,662.60x = 764,344,916,363.10 × 308,311,548,232.21
  4. Step 4: Simplify right side
    509,814,610,662.60x = 235,656,364,547,326,450,073,600
  5. Step 5: Solve for x
    x = 235,656,364,547,326,450,073,600/509,814,610,662.60
  6. Step 6: Final answer
    x = 462,239,330,961.99

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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.