Home / 1,003,211,338.50-1,384,434,854.50-557,174,620.96

Finding the Fourth Proportional to 1,003,211,338.50, 1,384,434,854.50 and 557,174,620.96

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Solution

The fourth proportional to 1,003,211,338.50, 1,384,434,854.50 and 557,174,620.96 is: 768,902,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,211,338.50 : 1,384,434,854.50 = 557,174,620.96 : x
  2. Step 2: Convert to fraction form
    1,003,211,338.50/1,384,434,854.50 = 557,174,620.96/x
  3. Step 3: Cross multiply
    1,003,211,338.50x = 1,384,434,854.50 × 557,174,620.96
  4. Step 4: Simplify right side
    1,003,211,338.50x = 771,371,965,299,850,240
  5. Step 5: Solve for x
    x = 771,371,965,299,850,240/1,003,211,338.50
  6. Step 6: Final answer
    x = 768,902,758.27

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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.