Home / 509,916,708.30-764,875,062.45-467,401,428.30

Finding the Fourth Proportional to 509,916,708.30, 764,875,062.45 and 467,401,428.30

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Solution

The fourth proportional to 509,916,708.30, 764,875,062.45 and 467,401,428.30 is: 701,102,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,916,708.30 : 764,875,062.45 = 467,401,428.30 : x
  2. Step 2: Convert to fraction form
    509,916,708.30/764,875,062.45 = 467,401,428.30/x
  3. Step 3: Cross multiply
    509,916,708.30x = 764,875,062.45 × 467,401,428.30
  4. Step 4: Simplify right side
    509,916,708.30x = 357,503,696,660,181,760
  5. Step 5: Solve for x
    x = 357,503,696,660,181,760/509,916,708.30
  6. Step 6: Final answer
    x = 701,102,142.45

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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.