Home / 471,849,692.92-651,431,895.06-419,494,118.50

Finding the Fourth Proportional to 471,849,692.92, 651,431,895.06 and 419,494,118.50

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Solution

The fourth proportional to 471,849,692.92, 651,431,895.06 and 419,494,118.50 is: 579,150,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,849,692.92 : 651,431,895.06 = 419,494,118.50 : x
  2. Step 2: Convert to fraction form
    471,849,692.92/651,431,895.06 = 419,494,118.50/x
  3. Step 3: Cross multiply
    471,849,692.92x = 651,431,895.06 × 419,494,118.50
  4. Step 4: Simplify right side
    471,849,692.92x = 273,271,848,580,979,168
  5. Step 5: Solve for x
    x = 273,271,848,580,979,168/471,849,692.92
  6. Step 6: Final answer
    x = 579,150,209.66

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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.