Home / 620,614,593.89-856,454,084.70-342,166,103.81

Finding the Fourth Proportional to 620,614,593.89, 856,454,084.70 and 342,166,103.81

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Solution

The fourth proportional to 620,614,593.89, 856,454,084.70 and 342,166,103.81 is: 472,192,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,614,593.89 : 856,454,084.70 = 342,166,103.81 : x
  2. Step 2: Convert to fraction form
    620,614,593.89/856,454,084.70 = 342,166,103.81/x
  3. Step 3: Cross multiply
    620,614,593.89x = 856,454,084.70 × 342,166,103.81
  4. Step 4: Simplify right side
    620,614,593.89x = 293,049,557,254,171,264
  5. Step 5: Solve for x
    x = 293,049,557,254,171,264/620,614,593.89
  6. Step 6: Final answer
    x = 472,192,501.01

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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.