Home / 2,800,421,821.80-4,200,632,732.70-1,405,708,061.40

Finding the Fourth Proportional to 2,800,421,821.80, 4,200,632,732.70 and 1,405,708,061.40

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Solution

The fourth proportional to 2,800,421,821.80, 4,200,632,732.70 and 1,405,708,061.40 is: 2,108,562,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,421,821.80 : 4,200,632,732.70 = 1,405,708,061.40 : x
  2. Step 2: Convert to fraction form
    2,800,421,821.80/4,200,632,732.70 = 1,405,708,061.40/x
  3. Step 3: Cross multiply
    2,800,421,821.80x = 4,200,632,732.70 × 1,405,708,061.40
  4. Step 4: Simplify right side
    2,800,421,821.80x = 5,904,863,295,337,101,312
  5. Step 5: Solve for x
    x = 5,904,863,295,337,101,312/2,800,421,821.80
  6. Step 6: Final answer
    x = 2,108,562,092.10

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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.