Home / 788,346,051.30-1,182,519,076.95-380,199,363.30

Finding the Fourth Proportional to 788,346,051.30, 1,182,519,076.95 and 380,199,363.30

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Solution

The fourth proportional to 788,346,051.30, 1,182,519,076.95 and 380,199,363.30 is: 570,299,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,346,051.30 : 1,182,519,076.95 = 380,199,363.30 : x
  2. Step 2: Convert to fraction form
    788,346,051.30/1,182,519,076.95 = 380,199,363.30/x
  3. Step 3: Cross multiply
    788,346,051.30x = 1,182,519,076.95 × 380,199,363.30
  4. Step 4: Simplify right side
    788,346,051.30x = 449,593,000,146,493,760
  5. Step 5: Solve for x
    x = 449,593,000,146,493,760/788,346,051.30
  6. Step 6: Final answer
    x = 570,299,044.95

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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.