Home / 817,709,913.72-1,226,717,217.41-264,963,050.37

Finding the Fourth Proportional to 817,709,913.72, 1,226,717,217.41 and 264,963,050.37

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Solution

The fourth proportional to 817,709,913.72, 1,226,717,217.41 and 264,963,050.37 is: 397,493,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,709,913.72 : 1,226,717,217.41 = 264,963,050.37 : x
  2. Step 2: Convert to fraction form
    817,709,913.72/1,226,717,217.41 = 264,963,050.37/x
  3. Step 3: Cross multiply
    817,709,913.72x = 1,226,717,217.41 × 264,963,050.37
  4. Step 4: Simplify right side
    817,709,913.72x = 325,034,735,865,027,264
  5. Step 5: Solve for x
    x = 325,034,735,865,027,264/817,709,913.72
  6. Step 6: Final answer
    x = 397,493,940.59

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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.