Home / 788,974,532.70-1,183,461,799.05-329,242,638.30

Finding the Fourth Proportional to 788,974,532.70, 1,183,461,799.05 and 329,242,638.30

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Solution

The fourth proportional to 788,974,532.70, 1,183,461,799.05 and 329,242,638.30 is: 493,863,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,974,532.70 : 1,183,461,799.05 = 329,242,638.30 : x
  2. Step 2: Convert to fraction form
    788,974,532.70/1,183,461,799.05 = 329,242,638.30/x
  3. Step 3: Cross multiply
    788,974,532.70x = 1,183,461,799.05 × 329,242,638.30
  4. Step 4: Simplify right side
    788,974,532.70x = 389,646,085,046,486,464
  5. Step 5: Solve for x
    x = 389,646,085,046,486,464/788,974,532.70
  6. Step 6: Final answer
    x = 493,863,957.45

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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.