Home / 476,425,847.40-714,638,771.10-169,727,965.80

Finding the Fourth Proportional to 476,425,847.40, 714,638,771.10 and 169,727,965.80

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Solution

The fourth proportional to 476,425,847.40, 714,638,771.10 and 169,727,965.80 is: 254,591,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,425,847.40 : 714,638,771.10 = 169,727,965.80 : x
  2. Step 2: Convert to fraction form
    476,425,847.40/714,638,771.10 = 169,727,965.80/x
  3. Step 3: Cross multiply
    476,425,847.40x = 714,638,771.10 × 169,727,965.80
  4. Step 4: Simplify right side
    476,425,847.40x = 121,294,184,900,614,848
  5. Step 5: Solve for x
    x = 121,294,184,900,614,848/476,425,847.40
  6. Step 6: Final answer
    x = 254,591,948.70

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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.