Home / 470,505,959.70-705,758,939.55-163,696,103.70

Finding the Fourth Proportional to 470,505,959.70, 705,758,939.55 and 163,696,103.70

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Solution

The fourth proportional to 470,505,959.70, 705,758,939.55 and 163,696,103.70 is: 245,544,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,505,959.70 : 705,758,939.55 = 163,696,103.70 : x
  2. Step 2: Convert to fraction form
    470,505,959.70/705,758,939.55 = 163,696,103.70/x
  3. Step 3: Cross multiply
    470,505,959.70x = 705,758,939.55 × 163,696,103.70
  4. Step 4: Simplify right side
    470,505,959.70x = 115,529,988,555,778,816
  5. Step 5: Solve for x
    x = 115,529,988,555,778,816/470,505,959.70
  6. Step 6: Final answer
    x = 245,544,155.55

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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.