Home / 743,892,377.16-1,026,580,923.78-409,403,411.88

Finding the Fourth Proportional to 743,892,377.16, 1,026,580,923.78 and 409,403,411.88

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Solution

The fourth proportional to 743,892,377.16, 1,026,580,923.78 and 409,403,411.88 is: 564,981,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,892,377.16 : 1,026,580,923.78 = 409,403,411.88 : x
  2. Step 2: Convert to fraction form
    743,892,377.16/1,026,580,923.78 = 409,403,411.88/x
  3. Step 3: Cross multiply
    743,892,377.16x = 1,026,580,923.78 × 409,403,411.88
  4. Step 4: Simplify right side
    743,892,377.16x = 420,285,732,766,454,208
  5. Step 5: Solve for x
    x = 420,285,732,766,454,208/743,892,377.16
  6. Step 6: Final answer
    x = 564,981,905.54

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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.