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Finding the Fourth Proportional to 659,603,658.42, 910,606,441.44 and 508,566,436.56

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Solution

The fourth proportional to 659,603,658.42, 910,606,441.44 and 508,566,436.56 is: 702,094,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,603,658.42 : 910,606,441.44 = 508,566,436.56 : x
  2. Step 2: Convert to fraction form
    659,603,658.42/910,606,441.44 = 508,566,436.56/x
  3. Step 3: Cross multiply
    659,603,658.42x = 910,606,441.44 × 508,566,436.56
  4. Step 4: Simplify right side
    659,603,658.42x = 463,103,873,031,723,136
  5. Step 5: Solve for x
    x = 463,103,873,031,723,136/659,603,658.42
  6. Step 6: Final answer
    x = 702,094,154.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.