Home / 2,790,432,001.60-4,184,892,175.20-825,281,281.60

Finding the Fourth Proportional to 2,790,432,001.60, 4,184,892,175.20 and 825,281,281.60

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Solution

The fourth proportional to 2,790,432,001.60, 4,184,892,175.20 and 825,281,281.60 is: 1,237,698,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,432,001.60 : 4,184,892,175.20 = 825,281,281.60 : x
  2. Step 2: Convert to fraction form
    2,790,432,001.60/4,184,892,175.20 = 825,281,281.60/x
  3. Step 3: Cross multiply
    2,790,432,001.60x = 4,184,892,175.20 × 825,281,281.60
  4. Step 4: Simplify right side
    2,790,432,001.60x = 3,453,713,177,706,867,712
  5. Step 5: Solve for x
    x = 3,453,713,177,706,867,712/2,790,432,001.60
  6. Step 6: Final answer
    x = 1,237,698,383.52

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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.