Home / 384,779,710.53-530,981,774.91-208,563,922.50

Finding the Fourth Proportional to 384,779,710.53, 530,981,774.91 and 208,563,922.50

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Solution

The fourth proportional to 384,779,710.53, 530,981,774.91 and 208,563,922.50 is: 287,810,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,710.53 : 530,981,774.91 = 208,563,922.50 : x
  2. Step 2: Convert to fraction form
    384,779,710.53/530,981,774.91 = 208,563,922.50/x
  3. Step 3: Cross multiply
    384,779,710.53x = 530,981,774.91 × 208,563,922.50
  4. Step 4: Simplify right side
    384,779,710.53x = 110,743,641,751,241,696
  5. Step 5: Solve for x
    x = 110,743,641,751,241,696/384,779,710.53
  6. Step 6: Final answer
    x = 287,810,502.27

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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.