Home / 659,957,176.80-989,935,765.20-297,160,120.80

Finding the Fourth Proportional to 659,957,176.80, 989,935,765.20 and 297,160,120.80

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Solution

The fourth proportional to 659,957,176.80, 989,935,765.20 and 297,160,120.80 is: 445,740,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,957,176.80 : 989,935,765.20 = 297,160,120.80 : x
  2. Step 2: Convert to fraction form
    659,957,176.80/989,935,765.20 = 297,160,120.80/x
  3. Step 3: Cross multiply
    659,957,176.80x = 989,935,765.20 × 297,160,120.80
  4. Step 4: Simplify right side
    659,957,176.80x = 294,169,431,571,072,448
  5. Step 5: Solve for x
    x = 294,169,431,571,072,448/659,957,176.80
  6. Step 6: Final answer
    x = 445,740,181.20

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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.