Home / 419,007,790.72-578,248,772.16-233,368,888.96

Finding the Fourth Proportional to 419,007,790.72, 578,248,772.16 and 233,368,888.96

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Solution

The fourth proportional to 419,007,790.72, 578,248,772.16 and 233,368,888.96 is: 322,059,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,007,790.72 : 578,248,772.16 = 233,368,888.96 : x
  2. Step 2: Convert to fraction form
    419,007,790.72/578,248,772.16 = 233,368,888.96/x
  3. Step 3: Cross multiply
    419,007,790.72x = 578,248,772.16 × 233,368,888.96
  4. Step 4: Simplify right side
    419,007,790.72x = 134,945,273,501,463,376
  5. Step 5: Solve for x
    x = 134,945,273,501,463,376/419,007,790.72
  6. Step 6: Final answer
    x = 322,059,103.65

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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.