Home / 298,720,064.40-448,080,096.60-296,806,876.80

Finding the Fourth Proportional to 298,720,064.40, 448,080,096.60 and 296,806,876.80

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Solution

The fourth proportional to 298,720,064.40, 448,080,096.60 and 296,806,876.80 is: 445,210,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,720,064.40 : 448,080,096.60 = 296,806,876.80 : x
  2. Step 2: Convert to fraction form
    298,720,064.40/448,080,096.60 = 296,806,876.80/x
  3. Step 3: Cross multiply
    298,720,064.40x = 448,080,096.60 × 296,806,876.80
  4. Step 4: Simplify right side
    298,720,064.40x = 132,993,254,028,088,304
  5. Step 5: Solve for x
    x = 132,993,254,028,088,304/298,720,064.40
  6. Step 6: Final answer
    x = 445,210,315.20

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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.