Home / 9,705,985,768.59-13,394,129,400.31-5,419,265,118.18

Finding the Fourth Proportional to 9,705,985,768.59, 13,394,129,400.31 and 5,419,265,118.18

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Solution

The fourth proportional to 9,705,985,768.59, 13,394,129,400.31 and 5,419,265,118.18 is: 7,478,512,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705,985,768.59 : 13,394,129,400.31 = 5,419,265,118.18 : x
  2. Step 2: Convert to fraction form
    9,705,985,768.59/13,394,129,400.31 = 5,419,265,118.18/x
  3. Step 3: Cross multiply
    9,705,985,768.59x = 13,394,129,400.31 × 5,419,265,118.18
  4. Step 4: Simplify right side
    9,705,985,768.59x = 72,586,338,247,422,214,144
  5. Step 5: Solve for x
    x = 72,586,338,247,422,214,144/9,705,985,768.59
  6. Step 6: Final answer
    x = 7,478,512,742.35

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1.5x scale

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.