Home / 384,779,704.14-530,981,766.09-208,563,916.05

Finding the Fourth Proportional to 384,779,704.14, 530,981,766.09 and 208,563,916.05

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Solution

The fourth proportional to 384,779,704.14, 530,981,766.09 and 208,563,916.05 is: 287,810,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,704.14 : 530,981,766.09 = 208,563,916.05 : x
  2. Step 2: Convert to fraction form
    384,779,704.14/530,981,766.09 = 208,563,916.05/x
  3. Step 3: Cross multiply
    384,779,704.14x = 530,981,766.09 × 208,563,916.05
  4. Step 4: Simplify right side
    384,779,704.14x = 110,743,636,486,875,504
  5. Step 5: Solve for x
    x = 110,743,636,486,875,504/384,779,704.14
  6. Step 6: Final answer
    x = 287,810,493.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.