Home / 20,445,771,007.90-30,668,656,511.85-13,466,462,643.10

Finding the Fourth Proportional to 20,445,771,007.90, 30,668,656,511.85 and 13,466,462,643.10

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Solution

The fourth proportional to 20,445,771,007.90, 30,668,656,511.85 and 13,466,462,643.10 is: 20,199,693,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445,771,007.90 : 30,668,656,511.85 = 13,466,462,643.10 : x
  2. Step 2: Convert to fraction form
    20,445,771,007.90/30,668,656,511.85 = 13,466,462,643.10/x
  3. Step 3: Cross multiply
    20,445,771,007.90x = 30,668,656,511.85 × 13,466,462,643.10
  4. Step 4: Simplify right side
    20,445,771,007.90x = 412,998,317,230,893,563,904
  5. Step 5: Solve for x
    x = 412,998,317,230,893,563,904/20,445,771,007.90
  6. Step 6: Final answer
    x = 20,199,693,964.65

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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.