Home / 551,337,007.45-827,005,511.18-426,501,516.55

Finding the Fourth Proportional to 551,337,007.45, 827,005,511.18 and 426,501,516.55

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Solution

The fourth proportional to 551,337,007.45, 827,005,511.18 and 426,501,516.55 is: 639,752,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337,007.45 : 827,005,511.18 = 426,501,516.55 : x
  2. Step 2: Convert to fraction form
    551,337,007.45/827,005,511.18 = 426,501,516.55/x
  3. Step 3: Cross multiply
    551,337,007.45x = 827,005,511.18 × 426,501,516.55
  4. Step 4: Simplify right side
    551,337,007.45x = 352,719,104,713,477,952
  5. Step 5: Solve for x
    x = 352,719,104,713,477,952/551,337,007.45
  6. Step 6: Final answer
    x = 639,752,274.83

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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.