Home / 445,824,275.20-668,736,412.80-300,705,452.80

Finding the Fourth Proportional to 445,824,275.20, 668,736,412.80 and 300,705,452.80

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Solution

The fourth proportional to 445,824,275.20, 668,736,412.80 and 300,705,452.80 is: 451,058,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,275.20 : 668,736,412.80 = 300,705,452.80 : x
  2. Step 2: Convert to fraction form
    445,824,275.20/668,736,412.80 = 300,705,452.80/x
  3. Step 3: Cross multiply
    445,824,275.20x = 668,736,412.80 × 300,705,452.80
  4. Step 4: Simplify right side
    445,824,275.20x = 201,092,685,814,871,712
  5. Step 5: Solve for x
    x = 201,092,685,814,871,712/445,824,275.20
  6. Step 6: Final answer
    x = 451,058,179.20

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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.