Home / 519,909,787,849.36-779,918,116,887.20-179,948,409,660.08

Finding the Fourth Proportional to 519,909,787,849.36, 779,918,116,887.20 and 179,948,409,660.08

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Solution

The fourth proportional to 519,909,787,849.36, 779,918,116,887.20 and 179,948,409,660.08 is: 269,941,109,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,909,787,849.36 : 779,918,116,887.20 = 179,948,409,660.08 : x
  2. Step 2: Convert to fraction form
    519,909,787,849.36/779,918,116,887.20 = 179,948,409,660.08/x
  3. Step 3: Cross multiply
    519,909,787,849.36x = 779,918,116,887.20 × 179,948,409,660.08
  4. Step 4: Simplify right side
    519,909,787,849.36x = 140,345,024,798,936,010,850,304
  5. Step 5: Solve for x
    x = 140,345,024,798,936,010,850,304/519,909,787,849.36
  6. Step 6: Final answer
    x = 269,941,109,167.19

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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.