Home / 1,086,017,744.20-1,629,026,616.30-359,006,456.20

Finding the Fourth Proportional to 1,086,017,744.20, 1,629,026,616.30 and 359,006,456.20

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Solution

The fourth proportional to 1,086,017,744.20, 1,629,026,616.30 and 359,006,456.20 is: 538,509,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,017,744.20 : 1,629,026,616.30 = 359,006,456.20 : x
  2. Step 2: Convert to fraction form
    1,086,017,744.20/1,629,026,616.30 = 359,006,456.20/x
  3. Step 3: Cross multiply
    1,086,017,744.20x = 1,629,026,616.30 × 359,006,456.20
  4. Step 4: Simplify right side
    1,086,017,744.20x = 584,831,072,573,340,160
  5. Step 5: Solve for x
    x = 584,831,072,573,340,160/1,086,017,744.20
  6. Step 6: Final answer
    x = 538,509,684.30

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Half scale
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Double scale
Find fourth proportional to 1,086,017,745.20, 1,629,026,617.80 and 359,006,457.20
Similar ratio
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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.