Home / 491,869,098.26-678,760,803.63-268,848,898.46

Finding the Fourth Proportional to 491,869,098.26, 678,760,803.63 and 268,848,898.46

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Solution

The fourth proportional to 491,869,098.26, 678,760,803.63 and 268,848,898.46 is: 371,001,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,869,098.26 : 678,760,803.63 = 268,848,898.46 : x
  2. Step 2: Convert to fraction form
    491,869,098.26/678,760,803.63 = 268,848,898.46/x
  3. Step 3: Cross multiply
    491,869,098.26x = 678,760,803.63 × 268,848,898.46
  4. Step 4: Simplify right side
    491,869,098.26x = 182,484,094,370,356,064
  5. Step 5: Solve for x
    x = 182,484,094,370,356,064/491,869,098.26
  6. Step 6: Final answer
    x = 371,001,339.62

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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.