Home / 857,751,403.70-1,286,627,105.55-714,900,062.90

Finding the Fourth Proportional to 857,751,403.70, 1,286,627,105.55 and 714,900,062.90

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Solution

The fourth proportional to 857,751,403.70, 1,286,627,105.55 and 714,900,062.90 is: 1,072,350,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,751,403.70 : 1,286,627,105.55 = 714,900,062.90 : x
  2. Step 2: Convert to fraction form
    857,751,403.70/1,286,627,105.55 = 714,900,062.90/x
  3. Step 3: Cross multiply
    857,751,403.70x = 1,286,627,105.55 × 714,900,062.90
  4. Step 4: Simplify right side
    857,751,403.70x = 919,809,798,686,539,904
  5. Step 5: Solve for x
    x = 919,809,798,686,539,904/857,751,403.70
  6. Step 6: Final answer
    x = 1,072,350,094.35

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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.