Home / 1,044,639,406.62-1,440,786,359.39-647,939,957.76

Finding the Fourth Proportional to 1,044,639,406.62, 1,440,786,359.39 and 647,939,957.76

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Solution

The fourth proportional to 1,044,639,406.62, 1,440,786,359.39 and 647,939,957.76 is: 893,651,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,639,406.62 : 1,440,786,359.39 = 647,939,957.76 : x
  2. Step 2: Convert to fraction form
    1,044,639,406.62/1,440,786,359.39 = 647,939,957.76/x
  3. Step 3: Cross multiply
    1,044,639,406.62x = 1,440,786,359.39 × 647,939,957.76
  4. Step 4: Simplify right side
    1,044,639,406.62x = 933,543,052,841,101,056
  5. Step 5: Solve for x
    x = 933,543,052,841,101,056/1,044,639,406.62
  6. Step 6: Final answer
    x = 893,651,002.37

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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.