Home / 570,176,305.70-855,390,429.74-206,661,213.86

Finding the Fourth Proportional to 570,176,305.70, 855,390,429.74 and 206,661,213.86

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Solution

The fourth proportional to 570,176,305.70, 855,390,429.74 and 206,661,213.86 is: 310,037,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,176,305.70 : 855,390,429.74 = 206,661,213.86 : x
  2. Step 2: Convert to fraction form
    570,176,305.70/855,390,429.74 = 206,661,213.86/x
  3. Step 3: Cross multiply
    570,176,305.70x = 855,390,429.74 × 206,661,213.86
  4. Step 4: Simplify right side
    570,176,305.70x = 176,776,024,534,295,456
  5. Step 5: Solve for x
    x = 176,776,024,534,295,456/570,176,305.70
  6. Step 6: Final answer
    x = 310,037,479.23

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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.