Home / 9,705,985,769.34-13,394,129,401.35-5,419,265,118.93

Finding the Fourth Proportional to 9,705,985,769.34, 13,394,129,401.35 and 5,419,265,118.93

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Solution

The fourth proportional to 9,705,985,769.34, 13,394,129,401.35 and 5,419,265,118.93 is: 7,478,512,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705,985,769.34 : 13,394,129,401.35 = 5,419,265,118.93 : x
  2. Step 2: Convert to fraction form
    9,705,985,769.34/13,394,129,401.35 = 5,419,265,118.93/x
  3. Step 3: Cross multiply
    9,705,985,769.34x = 13,394,129,401.35 × 5,419,265,118.93
  4. Step 4: Simplify right side
    9,705,985,769.34x = 72,586,338,263,076,749,312
  5. Step 5: Solve for x
    x = 72,586,338,263,076,749,312/9,705,985,769.34
  6. Step 6: Final answer
    x = 7,478,512,743.38

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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.