Home / 298,971,133.80-448,456,700.70-196,934,461.80

Finding the Fourth Proportional to 298,971,133.80, 448,456,700.70 and 196,934,461.80

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Solution

The fourth proportional to 298,971,133.80, 448,456,700.70 and 196,934,461.80 is: 295,401,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,133.80 : 448,456,700.70 = 196,934,461.80 : x
  2. Step 2: Convert to fraction form
    298,971,133.80/448,456,700.70 = 196,934,461.80/x
  3. Step 3: Cross multiply
    298,971,133.80x = 448,456,700.70 × 196,934,461.80
  4. Step 4: Simplify right side
    298,971,133.80x = 88,316,578,992,958,192
  5. Step 5: Solve for x
    x = 88,316,578,992,958,192/298,971,133.80
  6. Step 6: Final answer
    x = 295,401,692.70

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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.