Home / 2,725,207,471.46-4,088,537,901.12-978,425,341.68

Finding the Fourth Proportional to 2,725,207,471.46, 4,088,537,901.12 and 978,425,341.68

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Solution

The fourth proportional to 2,725,207,471.46, 4,088,537,901.12 and 978,425,341.68 is: 1,467,898,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,207,471.46 : 4,088,537,901.12 = 978,425,341.68 : x
  2. Step 2: Convert to fraction form
    2,725,207,471.46/4,088,537,901.12 = 978,425,341.68/x
  3. Step 3: Cross multiply
    2,725,207,471.46x = 4,088,537,901.12 × 978,425,341.68
  4. Step 4: Simplify right side
    2,725,207,471.46x = 4,000,329,092,870,073,344
  5. Step 5: Solve for x
    x = 4,000,329,092,870,073,344/2,725,207,471.46
  6. Step 6: Final answer
    x = 1,467,898,915.87

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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.