Home / 265,731,296.70-398,596,945.05-240,222,128.70

Finding the Fourth Proportional to 265,731,296.70, 398,596,945.05 and 240,222,128.70

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Solution

The fourth proportional to 265,731,296.70, 398,596,945.05 and 240,222,128.70 is: 360,333,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,731,296.70 : 398,596,945.05 = 240,222,128.70 : x
  2. Step 2: Convert to fraction form
    265,731,296.70/398,596,945.05 = 240,222,128.70/x
  3. Step 3: Cross multiply
    265,731,296.70x = 398,596,945.05 × 240,222,128.70
  4. Step 4: Simplify right side
    265,731,296.70x = 95,751,806,633,227,920
  5. Step 5: Solve for x
    x = 95,751,806,633,227,920/265,731,296.70
  6. Step 6: Final answer
    x = 360,333,193.05

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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.