Home / 135,256,948,336.49-186,658,233,748.44-79,578,544,819.87

Finding the Fourth Proportional to 135,256,948,336.49, 186,658,233,748.44 and 79,578,544,819.87

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Solution

The fourth proportional to 135,256,948,336.49, 186,658,233,748.44 and 79,578,544,819.87 is: 109,820,536,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,256,948,336.49 : 186,658,233,748.44 = 79,578,544,819.87 : x
  2. Step 2: Convert to fraction form
    135,256,948,336.49/186,658,233,748.44 = 79,578,544,819.87/x
  3. Step 3: Cross multiply
    135,256,948,336.49x = 186,658,233,748.44 × 79,578,544,819.87
  4. Step 4: Simplify right side
    135,256,948,336.49x = 14,853,990,620,347,630,616,576
  5. Step 5: Solve for x
    x = 14,853,990,620,347,630,616,576/135,256,948,336.49
  6. Step 6: Final answer
    x = 109,820,536,416.32

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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.