Home / 20,229,132,561.90-30,343,698,842.85-19,919,196,170.70

Finding the Fourth Proportional to 20,229,132,561.90, 30,343,698,842.85 and 19,919,196,170.70

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Solution

The fourth proportional to 20,229,132,561.90, 30,343,698,842.85 and 19,919,196,170.70 is: 29,878,794,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,132,561.90 : 30,343,698,842.85 = 19,919,196,170.70 : x
  2. Step 2: Convert to fraction form
    20,229,132,561.90/30,343,698,842.85 = 19,919,196,170.70/x
  3. Step 3: Cross multiply
    20,229,132,561.90x = 30,343,698,842.85 × 19,919,196,170.70
  4. Step 4: Simplify right side
    20,229,132,561.90x = 604,422,089,795,371,794,432
  5. Step 5: Solve for x
    x = 604,422,089,795,371,794,432/20,229,132,561.90
  6. Step 6: Final answer
    x = 29,878,794,256.05

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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.