Home / 714,327,507,924.95-985,109,806,285-521,333,986,015.15

Finding the Fourth Proportional to 714,327,507,924.95, 985,109,806,285 and 521,333,986,015.15

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Solution

The fourth proportional to 714,327,507,924.95, 985,109,806,285 and 521,333,986,015.15 is: 718,957,643,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,327,507,924.95 : 985,109,806,285 = 521,333,986,015.15 : x
  2. Step 2: Convert to fraction form
    714,327,507,924.95/985,109,806,285 = 521,333,986,015.15/x
  3. Step 3: Cross multiply
    714,327,507,924.95x = 985,109,806,285 × 521,333,986,015.15
  4. Step 4: Simplify right side
    714,327,507,924.95x = 513,571,221,973,171,372,556,288
  5. Step 5: Solve for x
    x = 513,571,221,973,171,372,556,288/714,327,507,924.95
  6. Step 6: Final answer
    x = 718,957,643,763.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.