Home / 272,198,208,003.80-408,297,312,005.70-235,506,436,611.80

Finding the Fourth Proportional to 272,198,208,003.80, 408,297,312,005.70 and 235,506,436,611.80

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Solution

The fourth proportional to 272,198,208,003.80, 408,297,312,005.70 and 235,506,436,611.80 is: 353,259,654,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,198,208,003.80 : 408,297,312,005.70 = 235,506,436,611.80 : x
  2. Step 2: Convert to fraction form
    272,198,208,003.80/408,297,312,005.70 = 235,506,436,611.80/x
  3. Step 3: Cross multiply
    272,198,208,003.80x = 408,297,312,005.70 × 235,506,436,611.80
  4. Step 4: Simplify right side
    272,198,208,003.80x = 96,156,645,028,638,706,630,656
  5. Step 5: Solve for x
    x = 96,156,645,028,638,706,630,656/272,198,208,003.80
  6. Step 6: Final answer
    x = 353,259,654,917.70

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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.