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Finding the Fourth Proportional to 524,952,729.48, 786,689,800.68 and 401,653,693.56

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Solution

The fourth proportional to 524,952,729.48, 786,689,800.68 and 401,653,693.56 is: 601,914,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,952,729.48 : 786,689,800.68 = 401,653,693.56 : x
  2. Step 2: Convert to fraction form
    524,952,729.48/786,689,800.68 = 401,653,693.56/x
  3. Step 3: Cross multiply
    524,952,729.48x = 786,689,800.68 × 401,653,693.56
  4. Step 4: Simplify right side
    524,952,729.48x = 315,976,864,129,102,208
  5. Step 5: Solve for x
    x = 315,976,864,129,102,208/524,952,729.48
  6. Step 6: Final answer
    x = 601,914,889.45

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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.