Home / 7,251,259,465.78-10,876,886,638.48-1,939,233,561.89

Finding the Fourth Proportional to 7,251,259,465.78, 10,876,886,638.48 and 1,939,233,561.89

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Solution

The fourth proportional to 7,251,259,465.78, 10,876,886,638.48 and 1,939,233,561.89 is: 2,908,849,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,259,465.78 : 10,876,886,638.48 = 1,939,233,561.89 : x
  2. Step 2: Convert to fraction form
    7,251,259,465.78/10,876,886,638.48 = 1,939,233,561.89/x
  3. Step 3: Cross multiply
    7,251,259,465.78x = 10,876,886,638.48 × 1,939,233,561.89
  4. Step 4: Simplify right side
    7,251,259,465.78x = 21,092,823,618,151,178,240
  5. Step 5: Solve for x
    x = 21,092,823,618,151,178,240/7,251,259,465.78
  6. Step 6: Final answer
    x = 2,908,849,658.14

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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.