Home / 675,248,128.38-1,012,853,296.89-215,213,903.10

Finding the Fourth Proportional to 675,248,128.38, 1,012,853,296.89 and 215,213,903.10

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Solution

The fourth proportional to 675,248,128.38, 1,012,853,296.89 and 215,213,903.10 is: 322,814,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,248,128.38 : 1,012,853,296.89 = 215,213,903.10 : x
  2. Step 2: Convert to fraction form
    675,248,128.38/1,012,853,296.89 = 215,213,903.10/x
  3. Step 3: Cross multiply
    675,248,128.38x = 1,012,853,296.89 × 215,213,903.10
  4. Step 4: Simplify right side
    675,248,128.38x = 217,980,111,291,399,968
  5. Step 5: Solve for x
    x = 217,980,111,291,399,968/675,248,128.38
  6. Step 6: Final answer
    x = 322,814,832.25

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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.