Home / 7,251,259,466.78-10,876,886,639.98-1,939,233,562.89

Finding the Fourth Proportional to 7,251,259,466.78, 10,876,886,639.98 and 1,939,233,562.89

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Solution

The fourth proportional to 7,251,259,466.78, 10,876,886,639.98 and 1,939,233,562.89 is: 2,908,849,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,259,466.78 : 10,876,886,639.98 = 1,939,233,562.89 : x
  2. Step 2: Convert to fraction form
    7,251,259,466.78/10,876,886,639.98 = 1,939,233,562.89/x
  3. Step 3: Cross multiply
    7,251,259,466.78x = 10,876,886,639.98 × 1,939,233,562.89
  4. Step 4: Simplify right side
    7,251,259,466.78x = 21,092,823,631,999,057,920
  5. Step 5: Solve for x
    x = 21,092,823,631,999,057,920/7,251,259,466.78
  6. Step 6: Final answer
    x = 2,908,849,659.65

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1.5x scale

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.