Home / 551,148,382.91-760,583,436.79-300,254,836.42

Finding the Fourth Proportional to 551,148,382.91, 760,583,436.79 and 300,254,836.42

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Solution

The fourth proportional to 551,148,382.91, 760,583,436.79 and 300,254,836.42 is: 414,350,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,148,382.91 : 760,583,436.79 = 300,254,836.42 : x
  2. Step 2: Convert to fraction form
    551,148,382.91/760,583,436.79 = 300,254,836.42/x
  3. Step 3: Cross multiply
    551,148,382.91x = 760,583,436.79 × 300,254,836.42
  4. Step 4: Simplify right side
    551,148,382.91x = 228,368,855,395,992,064
  5. Step 5: Solve for x
    x = 228,368,855,395,992,064/551,148,382.91
  6. Step 6: Final answer
    x = 414,350,948.81

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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.