Home / 2,798,555,121.71-3,862,101,369.96-1,655,101,417.63

Finding the Fourth Proportional to 2,798,555,121.71, 3,862,101,369.96 and 1,655,101,417.63

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Solution

The fourth proportional to 2,798,555,121.71, 3,862,101,369.96 and 1,655,101,417.63 is: 2,284,096,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,555,121.71 : 3,862,101,369.96 = 1,655,101,417.63 : x
  2. Step 2: Convert to fraction form
    2,798,555,121.71/3,862,101,369.96 = 1,655,101,417.63/x
  3. Step 3: Cross multiply
    2,798,555,121.71x = 3,862,101,369.96 × 1,655,101,417.63
  4. Step 4: Simplify right side
    2,798,555,121.71x = 6,392,169,452,462,319,616
  5. Step 5: Solve for x
    x = 6,392,169,452,462,319,616/2,798,555,121.71
  6. Step 6: Final answer
    x = 2,284,096,319.16

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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.