Home / 1,273,841,167,431.80-1,910,768,894,306.50-424,895,366,847.05

Finding the Fourth Proportional to 1,273,841,167,431.80, 1,910,768,894,306.50 and 424,895,366,847.05

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Solution

The fourth proportional to 1,273,841,167,431.80, 1,910,768,894,306.50 and 424,895,366,847.05 is: 637,345,432,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,841,167,431.80 : 1,910,768,894,306.50 = 424,895,366,847.05 : x
  2. Step 2: Convert to fraction form
    1,273,841,167,431.80/1,910,768,894,306.50 = 424,895,366,847.05/x
  3. Step 3: Cross multiply
    1,273,841,167,431.80x = 1,910,768,894,306.50 × 424,895,366,847.05
  4. Step 4: Simplify right side
    1,273,841,167,431.80x = 811,876,850,306,292,335,509,504
  5. Step 5: Solve for x
    x = 811,876,850,306,292,335,509,504/1,273,841,167,431.80
  6. Step 6: Final answer
    x = 637,345,432,902.85

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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.