Home / 384,530,107.52-530,648,615.22-208,316,842.31

Finding the Fourth Proportional to 384,530,107.52, 530,648,615.22 and 208,316,842.31

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Solution

The fourth proportional to 384,530,107.52, 530,648,615.22 and 208,316,842.31 is: 287,475,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,530,107.52 : 530,648,615.22 = 208,316,842.31 : x
  2. Step 2: Convert to fraction form
    384,530,107.52/530,648,615.22 = 208,316,842.31/x
  3. Step 3: Cross multiply
    384,530,107.52x = 530,648,615.22 × 208,316,842.31
  4. Step 4: Simplify right side
    384,530,107.52x = 110,543,043,898,804,608
  5. Step 5: Solve for x
    x = 110,543,043,898,804,608/384,530,107.52
  6. Step 6: Final answer
    x = 287,475,653.37

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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.