Home / 470,573,669.25-705,834,959.61-143,023,644.39

Finding the Fourth Proportional to 470,573,669.25, 705,834,959.61 and 143,023,644.39

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Solution

The fourth proportional to 470,573,669.25, 705,834,959.61 and 143,023,644.39 is: 214,527,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,573,669.25 : 705,834,959.61 = 143,023,644.39 : x
  2. Step 2: Convert to fraction form
    470,573,669.25/705,834,959.61 = 143,023,644.39/x
  3. Step 3: Cross multiply
    470,573,669.25x = 705,834,959.61 × 143,023,644.39
  4. Step 4: Simplify right side
    470,573,669.25x = 100,951,088,261,290,640
  5. Step 5: Solve for x
    x = 100,951,088,261,290,640/470,573,669.25
  6. Step 6: Final answer
    x = 214,527,702.80

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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.