Home / 2,680,865,010.32-4,021,879,250.58-815,462,223.87

Finding the Fourth Proportional to 2,680,865,010.32, 4,021,879,250.58 and 815,462,223.87

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Solution

The fourth proportional to 2,680,865,010.32, 4,021,879,250.58 and 815,462,223.87 is: 1,223,370,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,865,010.32 : 4,021,879,250.58 = 815,462,223.87 : x
  2. Step 2: Convert to fraction form
    2,680,865,010.32/4,021,879,250.58 = 815,462,223.87/x
  3. Step 3: Cross multiply
    2,680,865,010.32x = 4,021,879,250.58 × 815,462,223.87
  4. Step 4: Simplify right side
    2,680,865,010.32x = 3,279,690,597,803,791,360
  5. Step 5: Solve for x
    x = 3,279,690,597,803,791,360/2,680,865,010.32
  6. Step 6: Final answer
    x = 1,223,370,287.27

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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.