Home / 450,149,692.45-621,271,554.01-259,374,171.86

Finding the Fourth Proportional to 450,149,692.45, 621,271,554.01 and 259,374,171.86

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Solution

The fourth proportional to 450,149,692.45, 621,271,554.01 and 259,374,171.86 is: 357,973,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,149,692.45 : 621,271,554.01 = 259,374,171.86 : x
  2. Step 2: Convert to fraction form
    450,149,692.45/621,271,554.01 = 259,374,171.86/x
  3. Step 3: Cross multiply
    450,149,692.45x = 621,271,554.01 × 259,374,171.86
  4. Step 4: Simplify right side
    450,149,692.45x = 161,141,794,822,572,224
  5. Step 5: Solve for x
    x = 161,141,794,822,572,224/450,149,692.45
  6. Step 6: Final answer
    x = 357,973,797.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.