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Finding the Fourth Proportional to 329,149,969.60, 493,724,954.40 and 299,017,264.90

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Solution

The fourth proportional to 329,149,969.60, 493,724,954.40 and 299,017,264.90 is: 448,525,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,149,969.60 : 493,724,954.40 = 299,017,264.90 : x
  2. Step 2: Convert to fraction form
    329,149,969.60/493,724,954.40 = 299,017,264.90/x
  3. Step 3: Cross multiply
    329,149,969.60x = 493,724,954.40 × 299,017,264.90
  4. Step 4: Simplify right side
    329,149,969.60x = 147,632,285,477,565,216
  5. Step 5: Solve for x
    x = 147,632,285,477,565,216/329,149,969.60
  6. Step 6: Final answer
    x = 448,525,897.35

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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.