Home / 715,483,146.08-986,700,593.51-464,318,981.14

Finding the Fourth Proportional to 715,483,146.08, 986,700,593.51 and 464,318,981.14

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Solution

The fourth proportional to 715,483,146.08, 986,700,593.51 and 464,318,981.14 is: 640,327,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,483,146.08 : 986,700,593.51 = 464,318,981.14 : x
  2. Step 2: Convert to fraction form
    715,483,146.08/986,700,593.51 = 464,318,981.14/x
  3. Step 3: Cross multiply
    715,483,146.08x = 986,700,593.51 × 464,318,981.14
  4. Step 4: Simplify right side
    715,483,146.08x = 458,143,814,268,796,480
  5. Step 5: Solve for x
    x = 458,143,814,268,796,480/715,483,146.08
  6. Step 6: Final answer
    x = 640,327,891.41

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1.5x scale

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.