Home / 470,338,108.74-705,461,575.43-142,816,500.92

Finding the Fourth Proportional to 470,338,108.74, 705,461,575.43 and 142,816,500.92

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Solution

The fourth proportional to 470,338,108.74, 705,461,575.43 and 142,816,500.92 is: 214,210,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,338,108.74 : 705,461,575.43 = 142,816,500.92 : x
  2. Step 2: Convert to fraction form
    470,338,108.74/705,461,575.43 = 142,816,500.92/x
  3. Step 3: Cross multiply
    470,338,108.74x = 705,461,575.43 × 142,816,500.92
  4. Step 4: Simplify right side
    470,338,108.74x = 100,751,553,738,543,952
  5. Step 5: Solve for x
    x = 100,751,553,738,543,952/470,338,108.74
  6. Step 6: Final answer
    x = 214,210,908.85

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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.