Home / 2,680,865,011.32-4,021,879,252.08-815,462,224.87

Finding the Fourth Proportional to 2,680,865,011.32, 4,021,879,252.08 and 815,462,224.87

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Solution

The fourth proportional to 2,680,865,011.32, 4,021,879,252.08 and 815,462,224.87 is: 1,223,370,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,865,011.32 : 4,021,879,252.08 = 815,462,224.87 : x
  2. Step 2: Convert to fraction form
    2,680,865,011.32/4,021,879,252.08 = 815,462,224.87/x
  3. Step 3: Cross multiply
    2,680,865,011.32x = 4,021,879,252.08 × 815,462,224.87
  4. Step 4: Simplify right side
    2,680,865,011.32x = 3,279,690,603,059,648,512
  5. Step 5: Solve for x
    x = 3,279,690,603,059,648,512/2,680,865,011.32
  6. Step 6: Final answer
    x = 1,223,370,288.77

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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.