Home / 1,291,633,475.10-1,935,876,205.80-669,505,722.23

Finding the Fourth Proportional to 1,291,633,475.10, 1,935,876,205.80 and 669,505,722.23

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Solution

The fourth proportional to 1,291,633,475.10, 1,935,876,205.80 and 669,505,722.23 is: 1,003,442,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,633,475.10 : 1,935,876,205.80 = 669,505,722.23 : x
  2. Step 2: Convert to fraction form
    1,291,633,475.10/1,935,876,205.80 = 669,505,722.23/x
  3. Step 3: Cross multiply
    1,291,633,475.10x = 1,935,876,205.80 × 669,505,722.23
  4. Step 4: Simplify right side
    1,291,633,475.10x = 1,296,080,197,302,321,664
  5. Step 5: Solve for x
    x = 1,296,080,197,302,321,664/1,291,633,475.10
  6. Step 6: Final answer
    x = 1,003,442,712.11

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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.