Home / 627,042,990.32-864,516,051.83-513,594,544.70

Finding the Fourth Proportional to 627,042,990.32, 864,516,051.83 and 513,594,544.70

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Solution

The fourth proportional to 627,042,990.32, 864,516,051.83 and 513,594,544.70 is: 708,102,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042,990.32 : 864,516,051.83 = 513,594,544.70 : x
  2. Step 2: Convert to fraction form
    627,042,990.32/864,516,051.83 = 513,594,544.70/x
  3. Step 3: Cross multiply
    627,042,990.32x = 864,516,051.83 × 513,594,544.70
  4. Step 4: Simplify right side
    627,042,990.32x = 444,010,728,027,243,136
  5. Step 5: Solve for x
    x = 444,010,728,027,243,136/627,042,990.32
  6. Step 6: Final answer
    x = 708,102,530.26

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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.