Home / 2,130,042,688.20-2,939,402,523.78-1,190,253,052.62

Finding the Fourth Proportional to 2,130,042,688.20, 2,939,402,523.78 and 1,190,253,052.62

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Solution

The fourth proportional to 2,130,042,688.20, 2,939,402,523.78 and 1,190,253,052.62 is: 1,642,517,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,042,688.20 : 2,939,402,523.78 = 1,190,253,052.62 : x
  2. Step 2: Convert to fraction form
    2,130,042,688.20/2,939,402,523.78 = 1,190,253,052.62/x
  3. Step 3: Cross multiply
    2,130,042,688.20x = 2,939,402,523.78 × 1,190,253,052.62
  4. Step 4: Simplify right side
    2,130,042,688.20x = 3,498,632,826,808,076,800
  5. Step 5: Solve for x
    x = 3,498,632,826,808,076,800/2,130,042,688.20
  6. Step 6: Final answer
    x = 1,642,517,704.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.