Home / 384,779,697.94-530,981,757.52-208,563,909.90

Finding the Fourth Proportional to 384,779,697.94, 530,981,757.52 and 208,563,909.90

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Solution

The fourth proportional to 384,779,697.94, 530,981,757.52 and 208,563,909.90 is: 287,810,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,697.94 : 530,981,757.52 = 208,563,909.90 : x
  2. Step 2: Convert to fraction form
    384,779,697.94/530,981,757.52 = 208,563,909.90/x
  3. Step 3: Cross multiply
    384,779,697.94x = 530,981,757.52 × 208,563,909.90
  4. Step 4: Simplify right side
    384,779,697.94x = 110,743,631,433,944,928
  5. Step 5: Solve for x
    x = 110,743,631,433,944,928/384,779,697.94
  6. Step 6: Final answer
    x = 287,810,484.87

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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.