Home / 733,913,007.30-1,012,800,115.40-403,888,146.30

Finding the Fourth Proportional to 733,913,007.30, 1,012,800,115.40 and 403,888,146.30

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Solution

The fourth proportional to 733,913,007.30, 1,012,800,115.40 and 403,888,146.30 is: 557,365,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,913,007.30 : 1,012,800,115.40 = 403,888,146.30 : x
  2. Step 2: Convert to fraction form
    733,913,007.30/1,012,800,115.40 = 403,888,146.30/x
  3. Step 3: Cross multiply
    733,913,007.30x = 1,012,800,115.40 × 403,888,146.30
  4. Step 4: Simplify right side
    733,913,007.30x = 409,057,961,179,312,640
  5. Step 5: Solve for x
    x = 409,057,961,179,312,640/733,913,007.30
  6. Step 6: Final answer
    x = 557,365,732.87

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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.