Home / 1,386,083,532.29-1,912,889,122.00-783,045,002.80

Finding the Fourth Proportional to 1,386,083,532.29, 1,912,889,122.00 and 783,045,002.80

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Solution

The fourth proportional to 1,386,083,532.29, 1,912,889,122.00 and 783,045,002.80 is: 1,080,655,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,083,532.29 : 1,912,889,122.00 = 783,045,002.80 : x
  2. Step 2: Convert to fraction form
    1,386,083,532.29/1,912,889,122.00 = 783,045,002.80/x
  3. Step 3: Cross multiply
    1,386,083,532.29x = 1,912,889,122.00 × 783,045,002.80
  4. Step 4: Simplify right side
    1,386,083,532.29x = 1,497,878,267,885,839,616
  5. Step 5: Solve for x
    x = 1,497,878,267,885,839,616/1,386,083,532.29
  6. Step 6: Final answer
    x = 1,080,655,121.42

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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.