Home / 497,922,328.44-687,119,115.01-274,899,957.36

Finding the Fourth Proportional to 497,922,328.44, 687,119,115.01 and 274,899,957.36

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Solution

The fourth proportional to 497,922,328.44, 687,119,115.01 and 274,899,957.36 is: 379,354,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,922,328.44 : 687,119,115.01 = 274,899,957.36 : x
  2. Step 2: Convert to fraction form
    497,922,328.44/687,119,115.01 = 274,899,957.36/x
  3. Step 3: Cross multiply
    497,922,328.44x = 687,119,115.01 × 274,899,957.36
  4. Step 4: Simplify right side
    497,922,328.44x = 188,889,015,417,439,168
  5. Step 5: Solve for x
    x = 188,889,015,417,439,168/497,922,328.44
  6. Step 6: Final answer
    x = 379,354,378.44

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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.