Home / 551,679,516.63-827,721,056.61-256,715,313.12

Finding the Fourth Proportional to 551,679,516.63, 827,721,056.61 and 256,715,313.12

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Solution

The fourth proportional to 551,679,516.63, 827,721,056.61 and 256,715,313.12 is: 385,166,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,679,516.63 : 827,721,056.61 = 256,715,313.12 : x
  2. Step 2: Convert to fraction form
    551,679,516.63/827,721,056.61 = 256,715,313.12/x
  3. Step 3: Cross multiply
    551,679,516.63x = 827,721,056.61 × 256,715,313.12
  4. Step 4: Simplify right side
    551,679,516.63x = 212,488,670,223,653,408
  5. Step 5: Solve for x
    x = 212,488,670,223,653,408/551,679,516.63
  6. Step 6: Final answer
    x = 385,166,865.58

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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.