Home / 509,814,610,659.85-764,344,916,359-308,311,548,229.47

Finding the Fourth Proportional to 509,814,610,659.85, 764,344,916,359 and 308,311,548,229.47

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Solution

The fourth proportional to 509,814,610,659.85, 764,344,916,359 and 308,311,548,229.47 is: 462,239,330,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814,610,659.85 : 764,344,916,359 = 308,311,548,229.47 : x
  2. Step 2: Convert to fraction form
    509,814,610,659.85/764,344,916,359 = 308,311,548,229.47/x
  3. Step 3: Cross multiply
    509,814,610,659.85x = 764,344,916,359 × 308,311,548,229.47
  4. Step 4: Simplify right side
    509,814,610,659.85x = 235,656,364,543,968,020,529,152
  5. Step 5: Solve for x
    x = 235,656,364,543,968,020,529,152/509,814,610,659.85
  6. Step 6: Final answer
    x = 462,239,330,957.89

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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.