Home / 20,686,593,746.13-31,029,891,029.73-4,965,418,377.89

Finding the Fourth Proportional to 20,686,593,746.13, 31,029,891,029.73 and 4,965,418,377.89

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Solution

The fourth proportional to 20,686,593,746.13, 31,029,891,029.73 and 4,965,418,377.89 is: 7,448,127,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,593,746.13 : 31,029,891,029.73 = 4,965,418,377.89 : x
  2. Step 2: Convert to fraction form
    20,686,593,746.13/31,029,891,029.73 = 4,965,418,377.89/x
  3. Step 3: Cross multiply
    20,686,593,746.13x = 31,029,891,029.73 × 4,965,418,377.89
  4. Step 4: Simplify right side
    20,686,593,746.13x = 154,076,391,182,790,262,784
  5. Step 5: Solve for x
    x = 154,076,391,182,790,262,784/20,686,593,746.13
  6. Step 6: Final answer
    x = 7,448,127,665.37

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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.