Home / 715,483,147.08-986,700,594.89-464,318,982.14

Finding the Fourth Proportional to 715,483,147.08, 986,700,594.89 and 464,318,982.14

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Solution

The fourth proportional to 715,483,147.08, 986,700,594.89 and 464,318,982.14 is: 640,327,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,483,147.08 : 986,700,594.89 = 464,318,982.14 : x
  2. Step 2: Convert to fraction form
    715,483,147.08/986,700,594.89 = 464,318,982.14/x
  3. Step 3: Cross multiply
    715,483,147.08x = 986,700,594.89 × 464,318,982.14
  4. Step 4: Simplify right side
    715,483,147.08x = 458,143,815,896,257,280
  5. Step 5: Solve for x
    x = 458,143,815,896,257,280/715,483,147.08
  6. Step 6: Final answer
    x = 640,327,892.79

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Why These Related Problems?

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