Home / 384,779,712.46-530,981,777.58-208,563,924.46

Finding the Fourth Proportional to 384,779,712.46, 530,981,777.58 and 208,563,924.46

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Solution

The fourth proportional to 384,779,712.46, 530,981,777.58 and 208,563,924.46 is: 287,810,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,712.46 : 530,981,777.58 = 208,563,924.46 : x
  2. Step 2: Convert to fraction form
    384,779,712.46/530,981,777.58 = 208,563,924.46/x
  3. Step 3: Cross multiply
    384,779,712.46x = 530,981,777.58 × 208,563,924.46
  4. Step 4: Simplify right side
    384,779,712.46x = 110,743,643,348,831,648
  5. Step 5: Solve for x
    x = 110,743,643,348,831,648/384,779,712.46
  6. Step 6: Final answer
    x = 287,810,504.98

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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.