Home / 986,288,694.81-1,479,502,063.98-396,078,838.62

Finding the Fourth Proportional to 986,288,694.81, 1,479,502,063.98 and 396,078,838.62

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Solution

The fourth proportional to 986,288,694.81, 1,479,502,063.98 and 396,078,838.62 is: 594,145,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,288,694.81 : 1,479,502,063.98 = 396,078,838.62 : x
  2. Step 2: Convert to fraction form
    986,288,694.81/1,479,502,063.98 = 396,078,838.62/x
  3. Step 3: Cross multiply
    986,288,694.81x = 1,479,502,063.98 × 396,078,838.62
  4. Step 4: Simplify right side
    986,288,694.81x = 585,999,459,237,091,328
  5. Step 5: Solve for x
    x = 585,999,459,237,091,328/986,288,694.81
  6. Step 6: Final answer
    x = 594,145,976.04

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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.