Home / 715,483,145.08-986,700,592.13-464,318,980.14

Finding the Fourth Proportional to 715,483,145.08, 986,700,592.13 and 464,318,980.14

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Solution

The fourth proportional to 715,483,145.08, 986,700,592.13 and 464,318,980.14 is: 640,327,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,483,145.08 : 986,700,592.13 = 464,318,980.14 : x
  2. Step 2: Convert to fraction form
    715,483,145.08/986,700,592.13 = 464,318,980.14/x
  3. Step 3: Cross multiply
    715,483,145.08x = 986,700,592.13 × 464,318,980.14
  4. Step 4: Simplify right side
    715,483,145.08x = 458,143,812,644,455,424
  5. Step 5: Solve for x
    x = 458,143,812,644,455,424/715,483,145.08
  6. Step 6: Final answer
    x = 640,327,890.04

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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.