Home / 470,494,534.80-705,741,802.20-449,331,373.20

Finding the Fourth Proportional to 470,494,534.80, 705,741,802.20 and 449,331,373.20

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Solution

The fourth proportional to 470,494,534.80, 705,741,802.20 and 449,331,373.20 is: 673,997,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,494,534.80 : 705,741,802.20 = 449,331,373.20 : x
  2. Step 2: Convert to fraction form
    470,494,534.80/705,741,802.20 = 449,331,373.20/x
  3. Step 3: Cross multiply
    470,494,534.80x = 705,741,802.20 × 449,331,373.20
  4. Step 4: Simplify right side
    470,494,534.80x = 317,111,933,107,168,768
  5. Step 5: Solve for x
    x = 317,111,933,107,168,768/470,494,534.80
  6. Step 6: Final answer
    x = 673,997,059.80

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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.