Home / 627,042,993.69-864,516,056.48-513,594,548.08

Finding the Fourth Proportional to 627,042,993.69, 864,516,056.48 and 513,594,548.08

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Solution

The fourth proportional to 627,042,993.69, 864,516,056.48 and 513,594,548.08 is: 708,102,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042,993.69 : 864,516,056.48 = 513,594,548.08 : x
  2. Step 2: Convert to fraction form
    627,042,993.69/864,516,056.48 = 513,594,548.08/x
  3. Step 3: Cross multiply
    627,042,993.69x = 864,516,056.48 × 513,594,548.08
  4. Step 4: Simplify right side
    627,042,993.69x = 444,010,733,332,940,928
  5. Step 5: Solve for x
    x = 444,010,733,332,940,928/627,042,993.69
  6. Step 6: Final answer
    x = 708,102,534.91

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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.