Home / 788,974,867.20-1,183,462,300.80-329,242,972.80

Finding the Fourth Proportional to 788,974,867.20, 1,183,462,300.80 and 329,242,972.80

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Solution

The fourth proportional to 788,974,867.20, 1,183,462,300.80 and 329,242,972.80 is: 493,864,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,974,867.20 : 1,183,462,300.80 = 329,242,972.80 : x
  2. Step 2: Convert to fraction form
    788,974,867.20/1,183,462,300.80 = 329,242,972.80/x
  3. Step 3: Cross multiply
    788,974,867.20x = 1,183,462,300.80 × 329,242,972.80
  4. Step 4: Simplify right side
    788,974,867.20x = 389,646,646,112,119,808
  5. Step 5: Solve for x
    x = 389,646,646,112,119,808/788,974,867.20
  6. Step 6: Final answer
    x = 493,864,459.20

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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.