Home / 39,142,775,421.97-58,682,478,460.99-12,237,493,997.72

Finding the Fourth Proportional to 39,142,775,421.97, 58,682,478,460.99 and 12,237,493,997.72

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Solution

The fourth proportional to 39,142,775,421.97, 58,682,478,460.99 and 12,237,493,997.72 is: 18,346,335,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,775,421.97 : 58,682,478,460.99 = 12,237,493,997.72 : x
  2. Step 2: Convert to fraction form
    39,142,775,421.97/58,682,478,460.99 = 12,237,493,997.72/x
  3. Step 3: Cross multiply
    39,142,775,421.97x = 58,682,478,460.99 × 12,237,493,997.72
  4. Step 4: Simplify right side
    39,142,775,421.97x = 718,126,477,937,698,275,328
  5. Step 5: Solve for x
    x = 718,126,477,937,698,275,328/39,142,775,421.97
  6. Step 6: Final answer
    x = 18,346,335,184.36

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Double scale
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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.