Home / 384,617,100.26-530,798,535.27-217,368,818.32

Finding the Fourth Proportional to 384,617,100.26, 530,798,535.27 and 217,368,818.32

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Solution

The fourth proportional to 384,617,100.26, 530,798,535.27 and 217,368,818.32 is: 299,984,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,617,100.26 : 530,798,535.27 = 217,368,818.32 : x
  2. Step 2: Convert to fraction form
    384,617,100.26/530,798,535.27 = 217,368,818.32/x
  3. Step 3: Cross multiply
    384,617,100.26x = 530,798,535.27 × 217,368,818.32
  4. Step 4: Simplify right side
    384,617,100.26x = 115,379,050,377,626,736
  5. Step 5: Solve for x
    x = 115,379,050,377,626,736/384,617,100.26
  6. Step 6: Final answer
    x = 299,984,192.85

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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.