Home / 20,404,719,132.70-30,607,078,699.05-19,242,457,665.70

Finding the Fourth Proportional to 20,404,719,132.70, 30,607,078,699.05 and 19,242,457,665.70

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Solution

The fourth proportional to 20,404,719,132.70, 30,607,078,699.05 and 19,242,457,665.70 is: 28,863,686,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,719,132.70 : 30,607,078,699.05 = 19,242,457,665.70 : x
  2. Step 2: Convert to fraction form
    20,404,719,132.70/30,607,078,699.05 = 19,242,457,665.70/x
  3. Step 3: Cross multiply
    20,404,719,132.70x = 30,607,078,699.05 × 19,242,457,665.70
  4. Step 4: Simplify right side
    20,404,719,132.70x = 588,955,416,137,217,867,776
  5. Step 5: Solve for x
    x = 588,955,416,137,217,867,776/20,404,719,132.70
  6. Step 6: Final answer
    x = 28,863,686,498.55

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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.