Home / 470,150,641.20-705,225,961.80-255,159,793.20

Finding the Fourth Proportional to 470,150,641.20, 705,225,961.80 and 255,159,793.20

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Solution

The fourth proportional to 470,150,641.20, 705,225,961.80 and 255,159,793.20 is: 382,739,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,150,641.20 : 705,225,961.80 = 255,159,793.20 : x
  2. Step 2: Convert to fraction form
    470,150,641.20/705,225,961.80 = 255,159,793.20/x
  3. Step 3: Cross multiply
    470,150,641.20x = 705,225,961.80 × 255,159,793.20
  4. Step 4: Simplify right side
    470,150,641.20x = 179,945,310,572,159,072
  5. Step 5: Solve for x
    x = 179,945,310,572,159,072/470,150,641.20
  6. Step 6: Final answer
    x = 382,739,689.80

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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.