Home / 2,777,865,210.15-4,165,919,682.78-912,203,345.42

Finding the Fourth Proportional to 2,777,865,210.15, 4,165,919,682.78 and 912,203,345.42

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Solution

The fourth proportional to 2,777,865,210.15, 4,165,919,682.78 and 912,203,345.42 is: 1,368,016,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,865,210.15 : 4,165,919,682.78 = 912,203,345.42 : x
  2. Step 2: Convert to fraction form
    2,777,865,210.15/4,165,919,682.78 = 912,203,345.42/x
  3. Step 3: Cross multiply
    2,777,865,210.15x = 4,165,919,682.78 × 912,203,345.42
  4. Step 4: Simplify right side
    2,777,865,210.15x = 3,800,165,871,391,663,104
  5. Step 5: Solve for x
    x = 3,800,165,871,391,663,104/2,777,865,210.15
  6. Step 6: Final answer
    x = 1,368,016,654.48

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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.