Home / 6,898,206,006.90-10,347,309,010.35-1,991,039,901.30

Finding the Fourth Proportional to 6,898,206,006.90, 10,347,309,010.35 and 1,991,039,901.30

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Solution

The fourth proportional to 6,898,206,006.90, 10,347,309,010.35 and 1,991,039,901.30 is: 2,986,559,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,206,006.90 : 10,347,309,010.35 = 1,991,039,901.30 : x
  2. Step 2: Convert to fraction form
    6,898,206,006.90/10,347,309,010.35 = 1,991,039,901.30/x
  3. Step 3: Cross multiply
    6,898,206,006.90x = 10,347,309,010.35 × 1,991,039,901.30
  4. Step 4: Simplify right side
    6,898,206,006.90x = 20,601,905,110,687,866,880
  5. Step 5: Solve for x
    x = 20,601,905,110,687,866,880/6,898,206,006.90
  6. Step 6: Final answer
    x = 2,986,559,851.95

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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.