Home / 906,929,739,102.15-1,251,562,992,096.10-489,783,544,143.05

Finding the Fourth Proportional to 906,929,739,102.15, 1,251,562,992,096.10 and 489,783,544,143.05

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Solution

The fourth proportional to 906,929,739,102.15, 1,251,562,992,096.10 and 489,783,544,143.05 is: 675,901,265,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,929,739,102.15 : 1,251,562,992,096.10 = 489,783,544,143.05 : x
  2. Step 2: Convert to fraction form
    906,929,739,102.15/1,251,562,992,096.10 = 489,783,544,143.05/x
  3. Step 3: Cross multiply
    906,929,739,102.15x = 1,251,562,992,096.10 × 489,783,544,143.05
  4. Step 4: Simplify right side
    906,929,739,102.15x = 612,994,957,987,107,991,191,552
  5. Step 5: Solve for x
    x = 612,994,957,987,107,991,191,552/906,929,739,102.15
  6. Step 6: Final answer
    x = 675,901,265,068.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.