Home / 849,265,901.76-1,273,972,417.92-259,188,894.18

Finding the Fourth Proportional to 849,265,901.76, 1,273,972,417.92 and 259,188,894.18

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Solution

The fourth proportional to 849,265,901.76, 1,273,972,417.92 and 259,188,894.18 is: 388,805,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,265,901.76 : 1,273,972,417.92 = 259,188,894.18 : x
  2. Step 2: Convert to fraction form
    849,265,901.76/1,273,972,417.92 = 259,188,894.18/x
  3. Step 3: Cross multiply
    849,265,901.76x = 1,273,972,417.92 × 259,188,894.18
  4. Step 4: Simplify right side
    849,265,901.76x = 330,199,502,216,505,664
  5. Step 5: Solve for x
    x = 330,199,502,216,505,664/849,265,901.76
  6. Step 6: Final answer
    x = 388,805,792.78

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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.