Home / 898,776,713,815.47-1,348,021,560,346.30-261,920,143,578.81

Finding the Fourth Proportional to 898,776,713,815.47, 1,348,021,560,346.30 and 261,920,143,578.81

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Solution

The fourth proportional to 898,776,713,815.47, 1,348,021,560,346.30 and 261,920,143,578.81 is: 392,838,393,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,776,713,815.47 : 1,348,021,560,346.30 = 261,920,143,578.81 : x
  2. Step 2: Convert to fraction form
    898,776,713,815.47/1,348,021,560,346.30 = 261,920,143,578.81/x
  3. Step 3: Cross multiply
    898,776,713,815.47x = 1,348,021,560,346.30 × 261,920,143,578.81
  4. Step 4: Simplify right side
    898,776,713,815.47x = 353,074,000,633,234,383,175,680
  5. Step 5: Solve for x
    x = 353,074,000,633,234,383,175,680/898,776,713,815.47
  6. Step 6: Final answer
    x = 392,838,393,792.35

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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.