Home / 1,291,633,862.22-1,935,876,786.23-669,506,109.28

Finding the Fourth Proportional to 1,291,633,862.22, 1,935,876,786.23 and 669,506,109.28

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Solution

The fourth proportional to 1,291,633,862.22, 1,935,876,786.23 and 669,506,109.28 is: 1,003,443,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,633,862.22 : 1,935,876,786.23 = 669,506,109.28 : x
  2. Step 2: Convert to fraction form
    1,291,633,862.22/1,935,876,786.23 = 669,506,109.28/x
  3. Step 3: Cross multiply
    1,291,633,862.22x = 1,935,876,786.23 × 669,506,109.28
  4. Step 4: Simplify right side
    1,291,633,862.22x = 1,296,081,335,191,151,872
  5. Step 5: Solve for x
    x = 1,296,081,335,191,151,872/1,291,633,862.22
  6. Step 6: Final answer
    x = 1,003,443,292.33

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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.