Home / 619,831,471.92-855,406,116.72-341,372,921.64

Finding the Fourth Proportional to 619,831,471.92, 855,406,116.72 and 341,372,921.64

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Solution

The fourth proportional to 619,831,471.92, 855,406,116.72 and 341,372,921.64 is: 471,115,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,831,471.92 : 855,406,116.72 = 341,372,921.64 : x
  2. Step 2: Convert to fraction form
    619,831,471.92/855,406,116.72 = 341,372,921.64/x
  3. Step 3: Cross multiply
    619,831,471.92x = 855,406,116.72 × 341,372,921.64
  4. Step 4: Simplify right side
    619,831,471.92x = 292,012,485,253,433,280
  5. Step 5: Solve for x
    x = 292,012,485,253,433,280/619,831,471.92
  6. Step 6: Final answer
    x = 471,115,937.93

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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.