Home / 1,590,370,871.68-2,194,866,824.89-1,187,785,687.80

Finding the Fourth Proportional to 1,590,370,871.68, 2,194,866,824.89 and 1,187,785,687.80

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Solution

The fourth proportional to 1,590,370,871.68, 2,194,866,824.89 and 1,187,785,687.80 is: 1,639,260,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,370,871.68 : 2,194,866,824.89 = 1,187,785,687.80 : x
  2. Step 2: Convert to fraction form
    1,590,370,871.68/2,194,866,824.89 = 1,187,785,687.80/x
  3. Step 3: Cross multiply
    1,590,370,871.68x = 2,194,866,824.89 × 1,187,785,687.80
  4. Step 4: Simplify right side
    1,590,370,871.68x = 2,607,031,401,217,235,968
  5. Step 5: Solve for x
    x = 2,607,031,401,217,235,968/1,590,370,871.68
  6. Step 6: Final answer
    x = 1,639,260,029.00

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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.