Home / 679,042,898,266.80-937,082,112,910.40-370,400,983,342.43

Finding the Fourth Proportional to 679,042,898,266.80, 937,082,112,910.40 and 370,400,983,342.43

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Solution

The fourth proportional to 679,042,898,266.80, 937,082,112,910.40 and 370,400,983,342.43 is: 511,154,946,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,042,898,266.80 : 937,082,112,910.40 = 370,400,983,342.43 : x
  2. Step 2: Convert to fraction form
    679,042,898,266.80/937,082,112,910.40 = 370,400,983,342.43/x
  3. Step 3: Cross multiply
    679,042,898,266.80x = 937,082,112,910.40 × 370,400,983,342.43
  4. Step 4: Simplify right side
    679,042,898,266.80x = 347,096,136,094,614,206,545,920
  5. Step 5: Solve for x
    x = 347,096,136,094,614,206,545,920/679,042,898,266.80
  6. Step 6: Final answer
    x = 511,154,946,146.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.