Home / 298,720,063.40-448,080,095.10-296,806,875.80

Finding the Fourth Proportional to 298,720,063.40, 448,080,095.10 and 296,806,875.80

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Solution

The fourth proportional to 298,720,063.40, 448,080,095.10 and 296,806,875.80 is: 445,210,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,720,063.40 : 448,080,095.10 = 296,806,875.80 : x
  2. Step 2: Convert to fraction form
    298,720,063.40/448,080,095.10 = 296,806,875.80/x
  3. Step 3: Cross multiply
    298,720,063.40x = 448,080,095.10 × 296,806,875.80
  4. Step 4: Simplify right side
    298,720,063.40x = 132,993,253,134,797,904
  5. Step 5: Solve for x
    x = 132,993,253,134,797,904/298,720,063.40
  6. Step 6: Final answer
    x = 445,210,313.70

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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.