Home / 470,338,161.56-705,461,654.46-142,816,553.61

Finding the Fourth Proportional to 470,338,161.56, 705,461,654.46 and 142,816,553.61

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Solution

The fourth proportional to 470,338,161.56, 705,461,654.46 and 142,816,553.61 is: 214,210,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,338,161.56 : 705,461,654.46 = 142,816,553.61 : x
  2. Step 2: Convert to fraction form
    470,338,161.56/705,461,654.46 = 142,816,553.61/x
  3. Step 3: Cross multiply
    470,338,161.56x = 705,461,654.46 × 142,816,553.61
  4. Step 4: Simplify right side
    470,338,161.56x = 100,751,602,193,985,904
  5. Step 5: Solve for x
    x = 100,751,602,193,985,904/470,338,161.56
  6. Step 6: Final answer
    x = 214,210,987.82

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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.