Home / 384,557,359.53-530,688,438.14-208,349,734.35

Finding the Fourth Proportional to 384,557,359.53, 530,688,438.14 and 208,349,734.35

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Solution

The fourth proportional to 384,557,359.53, 530,688,438.14 and 208,349,734.35 is: 287,522,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,557,359.53 : 530,688,438.14 = 208,349,734.35 : x
  2. Step 2: Convert to fraction form
    384,557,359.53/530,688,438.14 = 208,349,734.35/x
  3. Step 3: Cross multiply
    384,557,359.53x = 530,688,438.14 × 208,349,734.35
  4. Step 4: Simplify right side
    384,557,359.53x = 110,568,795,108,043,648
  5. Step 5: Solve for x
    x = 110,568,795,108,043,648/384,557,359.53
  6. Step 6: Final answer
    x = 287,522,244.39

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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.