Home / 465,519,630.58-697,489,230.81-280,899,159.50

Finding the Fourth Proportional to 465,519,630.58, 697,489,230.81 and 280,899,159.50

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Solution

The fourth proportional to 465,519,630.58, 697,489,230.81 and 280,899,159.50 is: 420,871,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,519,630.58 : 697,489,230.81 = 280,899,159.50 : x
  2. Step 2: Convert to fraction form
    465,519,630.58/697,489,230.81 = 280,899,159.50/x
  3. Step 3: Cross multiply
    465,519,630.58x = 697,489,230.81 × 280,899,159.50
  4. Step 4: Simplify right side
    465,519,630.58x = 195,924,138,694,830,496
  5. Step 5: Solve for x
    x = 195,924,138,694,830,496/465,519,630.58
  6. Step 6: Final answer
    x = 420,871,915.65

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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.