Home / 298,582,570.40-447,842,017.20-104,497,692.80

Finding the Fourth Proportional to 298,582,570.40, 447,842,017.20 and 104,497,692.80

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Solution

The fourth proportional to 298,582,570.40, 447,842,017.20 and 104,497,692.80 is: 156,735,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,582,570.40 : 447,842,017.20 = 104,497,692.80 : x
  2. Step 2: Convert to fraction form
    298,582,570.40/447,842,017.20 = 104,497,692.80/x
  3. Step 3: Cross multiply
    298,582,570.40x = 447,842,017.20 × 104,497,692.80
  4. Step 4: Simplify right side
    298,582,570.40x = 46,798,457,536,297,912
  5. Step 5: Solve for x
    x = 46,798,457,536,297,912/298,582,570.40
  6. Step 6: Final answer
    x = 156,735,396.42

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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.