Home / 783,262,433.16-1,082,452,372.72-641,910,752.28

Finding the Fourth Proportional to 783,262,433.16, 1,082,452,372.72 and 641,910,752.28

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Solution

The fourth proportional to 783,262,433.16, 1,082,452,372.72 and 641,910,752.28 is: 887,107,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,262,433.16 : 1,082,452,372.72 = 641,910,752.28 : x
  2. Step 2: Convert to fraction form
    783,262,433.16/1,082,452,372.72 = 641,910,752.28/x
  3. Step 3: Cross multiply
    783,262,433.16x = 1,082,452,372.72 × 641,910,752.28
  4. Step 4: Simplify right side
    783,262,433.16x = 694,837,816,879,966,080
  5. Step 5: Solve for x
    x = 694,837,816,879,966,080/783,262,433.16
  6. Step 6: Final answer
    x = 887,107,293.12

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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.