Home / 543,989,543.76-816,224,710.68-285,142,872.24

Finding the Fourth Proportional to 543,989,543.76, 816,224,710.68 and 285,142,872.24

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Solution

The fourth proportional to 543,989,543.76, 816,224,710.68 and 285,142,872.24 is: 427,840,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,989,543.76 : 816,224,710.68 = 285,142,872.24 : x
  2. Step 2: Convert to fraction form
    543,989,543.76/816,224,710.68 = 285,142,872.24/x
  3. Step 3: Cross multiply
    543,989,543.76x = 816,224,710.68 × 285,142,872.24
  4. Step 4: Simplify right side
    543,989,543.76x = 232,740,658,396,558,208
  5. Step 5: Solve for x
    x = 232,740,658,396,558,208/543,989,543.76
  6. Step 6: Final answer
    x = 427,840,316.17

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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.