Home / 447,728,461.60-671,592,692.40-156,498,793.60

Finding the Fourth Proportional to 447,728,461.60, 671,592,692.40 and 156,498,793.60

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Solution

The fourth proportional to 447,728,461.60, 671,592,692.40 and 156,498,793.60 is: 234,748,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,728,461.60 : 671,592,692.40 = 156,498,793.60 : x
  2. Step 2: Convert to fraction form
    447,728,461.60/671,592,692.40 = 156,498,793.60/x
  3. Step 3: Cross multiply
    447,728,461.60x = 671,592,692.40 × 156,498,793.60
  4. Step 4: Simplify right side
    447,728,461.60x = 105,103,446,151,175,888
  5. Step 5: Solve for x
    x = 105,103,446,151,175,888/447,728,461.60
  6. Step 6: Final answer
    x = 234,748,190.40

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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.