Home / 130,380,194,408.80-195,570,291,613.20-129,553,697,365.60

Finding the Fourth Proportional to 130,380,194,408.80, 195,570,291,613.20 and 129,553,697,365.60

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Solution

The fourth proportional to 130,380,194,408.80, 195,570,291,613.20 and 129,553,697,365.60 is: 194,330,546,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,194,408.80 : 195,570,291,613.20 = 129,553,697,365.60 : x
  2. Step 2: Convert to fraction form
    130,380,194,408.80/195,570,291,613.20 = 129,553,697,365.60/x
  3. Step 3: Cross multiply
    130,380,194,408.80x = 195,570,291,613.20 × 129,553,697,365.60
  4. Step 4: Simplify right side
    130,380,194,408.80x = 25,336,854,373,358,653,931,520
  5. Step 5: Solve for x
    x = 25,336,854,373,358,653,931,520/130,380,194,408.80
  6. Step 6: Final answer
    x = 194,330,546,048.40

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1.5x scale

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.