Home / 470,346,190.32-705,473,671.14-142,824,540.36

Finding the Fourth Proportional to 470,346,190.32, 705,473,671.14 and 142,824,540.36

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Solution

The fourth proportional to 470,346,190.32, 705,473,671.14 and 142,824,540.36 is: 214,222,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,346,190.32 : 705,473,671.14 = 142,824,540.36 : x
  2. Step 2: Convert to fraction form
    470,346,190.32/705,473,671.14 = 142,824,540.36/x
  3. Step 3: Cross multiply
    470,346,190.32x = 705,473,671.14 × 142,824,540.36
  4. Step 4: Simplify right side
    470,346,190.32x = 100,758,952,816,652,304
  5. Step 5: Solve for x
    x = 100,758,952,816,652,304/470,346,190.32
  6. Step 6: Final answer
    x = 214,222,959.37

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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.