Home / 556,487,523.60-834,731,285.40-192,981,879.60

Finding the Fourth Proportional to 556,487,523.60, 834,731,285.40 and 192,981,879.60

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Solution

The fourth proportional to 556,487,523.60, 834,731,285.40 and 192,981,879.60 is: 289,472,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,487,523.60 : 834,731,285.40 = 192,981,879.60 : x
  2. Step 2: Convert to fraction form
    556,487,523.60/834,731,285.40 = 192,981,879.60/x
  3. Step 3: Cross multiply
    556,487,523.60x = 834,731,285.40 × 192,981,879.60
  4. Step 4: Simplify right side
    556,487,523.60x = 161,088,012,417,416,032
  5. Step 5: Solve for x
    x = 161,088,012,417,416,032/556,487,523.60
  6. Step 6: Final answer
    x = 289,472,819.40

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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.