Home / 13,502,646,398.63-20,246,118,709.14-5,109,200,421.50

Finding the Fourth Proportional to 13,502,646,398.63, 20,246,118,709.14 and 5,109,200,421.50

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Solution

The fourth proportional to 13,502,646,398.63, 20,246,118,709.14 and 5,109,200,421.50 is: 7,660,829,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,646,398.63 : 20,246,118,709.14 = 5,109,200,421.50 : x
  2. Step 2: Convert to fraction form
    13,502,646,398.63/20,246,118,709.14 = 5,109,200,421.50/x
  3. Step 3: Cross multiply
    13,502,646,398.63x = 20,246,118,709.14 × 5,109,200,421.50
  4. Step 4: Simplify right side
    13,502,646,398.63x = 103,441,478,242,375,892,992
  5. Step 5: Solve for x
    x = 103,441,478,242,375,892,992/13,502,646,398.63
  6. Step 6: Final answer
    x = 7,660,829,972.78

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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.