Home / 605,115,918.15-907,547,906.03-260,080,801.35

Finding the Fourth Proportional to 605,115,918.15, 907,547,906.03 and 260,080,801.35

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Solution

The fourth proportional to 605,115,918.15, 907,547,906.03 and 260,080,801.35 is: 390,067,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,115,918.15 : 907,547,906.03 = 260,080,801.35 : x
  2. Step 2: Convert to fraction form
    605,115,918.15/907,547,906.03 = 260,080,801.35/x
  3. Step 3: Cross multiply
    605,115,918.15x = 907,547,906.03 × 260,080,801.35
  4. Step 4: Simplify right side
    605,115,918.15x = 236,035,786,662,496,480
  5. Step 5: Solve for x
    x = 236,035,786,662,496,480/605,115,918.15
  6. Step 6: Final answer
    x = 390,067,059.19

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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.