Home / 298,643,631.80-447,965,447.70-176,199,625.40

Finding the Fourth Proportional to 298,643,631.80, 447,965,447.70 and 176,199,625.40

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Solution

The fourth proportional to 298,643,631.80, 447,965,447.70 and 176,199,625.40 is: 264,299,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,643,631.80 : 447,965,447.70 = 176,199,625.40 : x
  2. Step 2: Convert to fraction form
    298,643,631.80/447,965,447.70 = 176,199,625.40/x
  3. Step 3: Cross multiply
    298,643,631.80x = 447,965,447.70 × 176,199,625.40
  4. Step 4: Simplify right side
    298,643,631.80x = 78,931,344,076,883,296
  5. Step 5: Solve for x
    x = 78,931,344,076,883,296/298,643,631.80
  6. Step 6: Final answer
    x = 264,299,438.10

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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.