Home / 966,157,235.80-1,449,235,853.70-816,503,450.20

Finding the Fourth Proportional to 966,157,235.80, 1,449,235,853.70 and 816,503,450.20

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Solution

The fourth proportional to 966,157,235.80, 1,449,235,853.70 and 816,503,450.20 is: 1,224,755,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,157,235.80 : 1,449,235,853.70 = 816,503,450.20 : x
  2. Step 2: Convert to fraction form
    966,157,235.80/1,449,235,853.70 = 816,503,450.20/x
  3. Step 3: Cross multiply
    966,157,235.80x = 1,449,235,853.70 × 816,503,450.20
  4. Step 4: Simplify right side
    966,157,235.80x = 1,183,306,074,699,592,448
  5. Step 5: Solve for x
    x = 1,183,306,074,699,592,448/966,157,235.80
  6. Step 6: Final answer
    x = 1,224,755,175.30

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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.