Home / 384,779,695.32-530,981,753.93-208,563,907.27

Finding the Fourth Proportional to 384,779,695.32, 530,981,753.93 and 208,563,907.27

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Solution

The fourth proportional to 384,779,695.32, 530,981,753.93 and 208,563,907.27 is: 287,810,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,695.32 : 530,981,753.93 = 208,563,907.27 : x
  2. Step 2: Convert to fraction form
    384,779,695.32/530,981,753.93 = 208,563,907.27/x
  3. Step 3: Cross multiply
    384,779,695.32x = 530,981,753.93 × 208,563,907.27
  4. Step 4: Simplify right side
    384,779,695.32x = 110,743,629,288,718,480
  5. Step 5: Solve for x
    x = 110,743,629,288,718,480/384,779,695.32
  6. Step 6: Final answer
    x = 287,810,481.26

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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.