Home / 746,809,892.20-1,120,214,838.30-402,436,124.20

Finding the Fourth Proportional to 746,809,892.20, 1,120,214,838.30 and 402,436,124.20

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Solution

The fourth proportional to 746,809,892.20, 1,120,214,838.30 and 402,436,124.20 is: 603,654,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,809,892.20 : 1,120,214,838.30 = 402,436,124.20 : x
  2. Step 2: Convert to fraction form
    746,809,892.20/1,120,214,838.30 = 402,436,124.20/x
  3. Step 3: Cross multiply
    746,809,892.20x = 1,120,214,838.30 × 402,436,124.20
  4. Step 4: Simplify right side
    746,809,892.20x = 450,814,917,796,781,696
  5. Step 5: Solve for x
    x = 450,814,917,796,781,696/746,809,892.20
  6. Step 6: Final answer
    x = 603,654,186.30

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Double scale
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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.