Home / 788,974,713.70-1,183,462,070.55-329,242,819.30

Finding the Fourth Proportional to 788,974,713.70, 1,183,462,070.55 and 329,242,819.30

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Solution

The fourth proportional to 788,974,713.70, 1,183,462,070.55 and 329,242,819.30 is: 493,864,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,974,713.70 : 1,183,462,070.55 = 329,242,819.30 : x
  2. Step 2: Convert to fraction form
    788,974,713.70/1,183,462,070.55 = 329,242,819.30/x
  3. Step 3: Cross multiply
    788,974,713.70x = 1,183,462,070.55 × 329,242,819.30
  4. Step 4: Simplify right side
    788,974,713.70x = 389,646,388,642,497,472
  5. Step 5: Solve for x
    x = 389,646,388,642,497,472/788,974,713.70
  6. Step 6: Final answer
    x = 493,864,228.95

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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.