Home / 577,169,543.64-796,472,631.82-312,845,861.58

Finding the Fourth Proportional to 577,169,543.64, 796,472,631.82 and 312,845,861.58

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Solution

The fourth proportional to 577,169,543.64, 796,472,631.82 and 312,845,861.58 is: 431,715,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,543.64 : 796,472,631.82 = 312,845,861.58 : x
  2. Step 2: Convert to fraction form
    577,169,543.64/796,472,631.82 = 312,845,861.58/x
  3. Step 3: Cross multiply
    577,169,543.64x = 796,472,631.82 × 312,845,861.58
  4. Step 4: Simplify right side
    577,169,543.64x = 249,173,166,726,618,016
  5. Step 5: Solve for x
    x = 249,173,166,726,618,016/577,169,543.64
  6. Step 6: Final answer
    x = 431,715,722.83

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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.