Home / 783,262,427.16-1,082,452,364.44-641,910,746.28

Finding the Fourth Proportional to 783,262,427.16, 1,082,452,364.44 and 641,910,746.28

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Solution

The fourth proportional to 783,262,427.16, 1,082,452,364.44 and 641,910,746.28 is: 887,107,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,262,427.16 : 1,082,452,364.44 = 641,910,746.28 : x
  2. Step 2: Convert to fraction form
    783,262,427.16/1,082,452,364.44 = 641,910,746.28/x
  3. Step 3: Cross multiply
    783,262,427.16x = 1,082,452,364.44 × 641,910,746.28
  4. Step 4: Simplify right side
    783,262,427.16x = 694,837,805,070,230,912
  5. Step 5: Solve for x
    x = 694,837,805,070,230,912/783,262,427.16
  6. Step 6: Final answer
    x = 887,107,284.83

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1.5x scale

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.