Home / 20,686,593,755.01-31,029,891,043.11-4,965,418,386.82

Finding the Fourth Proportional to 20,686,593,755.01, 31,029,891,043.11 and 4,965,418,386.82

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Solution

The fourth proportional to 20,686,593,755.01, 31,029,891,043.11 and 4,965,418,386.82 is: 7,448,127,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,593,755.01 : 31,029,891,043.11 = 4,965,418,386.82 : x
  2. Step 2: Convert to fraction form
    20,686,593,755.01/31,029,891,043.11 = 4,965,418,386.82/x
  3. Step 3: Cross multiply
    20,686,593,755.01x = 31,029,891,043.11 × 4,965,418,386.82
  4. Step 4: Simplify right side
    20,686,593,755.01x = 154,076,391,526,492,045,312
  5. Step 5: Solve for x
    x = 154,076,391,526,492,045,312/20,686,593,755.01
  6. Step 6: Final answer
    x = 7,448,127,678.78

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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.