Home / 611,869,879.73-917,803,672.56-191,723,417.82

Finding the Fourth Proportional to 611,869,879.73, 917,803,672.56 and 191,723,417.82

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Solution

The fourth proportional to 611,869,879.73, 917,803,672.56 and 191,723,417.82 is: 287,584,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,869,879.73 : 917,803,672.56 = 191,723,417.82 : x
  2. Step 2: Convert to fraction form
    611,869,879.73/917,803,672.56 = 191,723,417.82/x
  3. Step 3: Cross multiply
    611,869,879.73x = 917,803,672.56 × 191,723,417.82
  4. Step 4: Simplify right side
    611,869,879.73x = 175,964,456,990,951,328
  5. Step 5: Solve for x
    x = 175,964,456,990,951,328/611,869,879.73
  6. Step 6: Final answer
    x = 287,584,767.32

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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.