Home / 857,751,571.20-1,286,627,356.80-714,900,230.40

Finding the Fourth Proportional to 857,751,571.20, 1,286,627,356.80 and 714,900,230.40

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Solution

The fourth proportional to 857,751,571.20, 1,286,627,356.80 and 714,900,230.40 is: 1,072,350,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,751,571.20 : 1,286,627,356.80 = 714,900,230.40 : x
  2. Step 2: Convert to fraction form
    857,751,571.20/1,286,627,356.80 = 714,900,230.40/x
  3. Step 3: Cross multiply
    857,751,571.20x = 1,286,627,356.80 × 714,900,230.40
  4. Step 4: Simplify right side
    857,751,571.20x = 919,810,193,815,262,976
  5. Step 5: Solve for x
    x = 919,810,193,815,262,976/857,751,571.20
  6. Step 6: Final answer
    x = 1,072,350,345.60

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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.