Home / 20,445,771,012.40-30,668,656,518.60-13,466,462,647.60

Finding the Fourth Proportional to 20,445,771,012.40, 30,668,656,518.60 and 13,466,462,647.60

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Solution

The fourth proportional to 20,445,771,012.40, 30,668,656,518.60 and 13,466,462,647.60 is: 20,199,693,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445,771,012.40 : 30,668,656,518.60 = 13,466,462,647.60 : x
  2. Step 2: Convert to fraction form
    20,445,771,012.40/30,668,656,518.60 = 13,466,462,647.60/x
  3. Step 3: Cross multiply
    20,445,771,012.40x = 30,668,656,518.60 × 13,466,462,647.60
  4. Step 4: Simplify right side
    20,445,771,012.40x = 412,998,317,459,801,178,112
  5. Step 5: Solve for x
    x = 412,998,317,459,801,178,112/20,445,771,012.40
  6. Step 6: Final answer
    x = 20,199,693,971.40

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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.