Home / 834,172,216.20-1,251,258,324.30-641,058,366.60

Finding the Fourth Proportional to 834,172,216.20, 1,251,258,324.30 and 641,058,366.60

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Solution

The fourth proportional to 834,172,216.20, 1,251,258,324.30 and 641,058,366.60 is: 961,587,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,172,216.20 : 1,251,258,324.30 = 641,058,366.60 : x
  2. Step 2: Convert to fraction form
    834,172,216.20/1,251,258,324.30 = 641,058,366.60/x
  3. Step 3: Cross multiply
    834,172,216.20x = 1,251,258,324.30 × 641,058,366.60
  4. Step 4: Simplify right side
    834,172,216.20x = 802,129,617,570,411,136
  5. Step 5: Solve for x
    x = 802,129,617,570,411,136/834,172,216.20
  6. Step 6: Final answer
    x = 961,587,549.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.