Home / 857,751,408.20-1,286,627,112.30-714,900,067.40

Finding the Fourth Proportional to 857,751,408.20, 1,286,627,112.30 and 714,900,067.40

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Solution

The fourth proportional to 857,751,408.20, 1,286,627,112.30 and 714,900,067.40 is: 1,072,350,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,751,408.20 : 1,286,627,112.30 = 714,900,067.40 : x
  2. Step 2: Convert to fraction form
    857,751,408.20/1,286,627,112.30 = 714,900,067.40/x
  3. Step 3: Cross multiply
    857,751,408.20x = 1,286,627,112.30 × 714,900,067.40
  4. Step 4: Simplify right side
    857,751,408.20x = 919,809,809,301,937,280
  5. Step 5: Solve for x
    x = 919,809,809,301,937,280/857,751,408.20
  6. Step 6: Final answer
    x = 1,072,350,101.10

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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.