Home / 404,208,077.80-606,312,116.70-220,542,068.20

Finding the Fourth Proportional to 404,208,077.80, 606,312,116.70 and 220,542,068.20

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Solution

The fourth proportional to 404,208,077.80, 606,312,116.70 and 220,542,068.20 is: 330,813,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,208,077.80 : 606,312,116.70 = 220,542,068.20 : x
  2. Step 2: Convert to fraction form
    404,208,077.80/606,312,116.70 = 220,542,068.20/x
  3. Step 3: Cross multiply
    404,208,077.80x = 606,312,116.70 × 220,542,068.20
  4. Step 4: Simplify right side
    404,208,077.80x = 133,717,328,191,737,760
  5. Step 5: Solve for x
    x = 133,717,328,191,737,760/404,208,077.80
  6. Step 6: Final answer
    x = 330,813,102.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.