Home / 509,814,610,660.75-764,344,916,360.40-308,311,548,230.38

Finding the Fourth Proportional to 509,814,610,660.75, 764,344,916,360.40 and 308,311,548,230.38

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Solution

The fourth proportional to 509,814,610,660.75, 764,344,916,360.40 and 308,311,548,230.38 is: 462,239,330,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814,610,660.75 : 764,344,916,360.40 = 308,311,548,230.38 : x
  2. Step 2: Convert to fraction form
    509,814,610,660.75/764,344,916,360.40 = 308,311,548,230.38/x
  3. Step 3: Cross multiply
    509,814,610,660.75x = 764,344,916,360.40 × 308,311,548,230.38
  4. Step 4: Simplify right side
    509,814,610,660.75x = 235,656,364,545,095,248,117,760
  5. Step 5: Solve for x
    x = 235,656,364,545,095,248,117,760/509,814,610,660.75
  6. Step 6: Final answer
    x = 462,239,330,959.29

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1.5x scale

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.