Home / 1,018,564,347,394.80-1,405,623,169,358.20-555,601,475,008.29

Finding the Fourth Proportional to 1,018,564,347,394.80, 1,405,623,169,358.20 and 555,601,475,008.29

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Solution

The fourth proportional to 1,018,564,347,394.80, 1,405,623,169,358.20 and 555,601,475,008.29 is: 766,732,419,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,347,394.80 : 1,405,623,169,358.20 = 555,601,475,008.29 : x
  2. Step 2: Convert to fraction form
    1,018,564,347,394.80/1,405,623,169,358.20 = 555,601,475,008.29/x
  3. Step 3: Cross multiply
    1,018,564,347,394.80x = 1,405,623,169,358.20 × 555,601,475,008.29
  4. Step 4: Simplify right side
    1,018,564,347,394.80x = 780,966,306,201,243,375,108,096
  5. Step 5: Solve for x
    x = 780,966,306,201,243,375,108,096/1,018,564,347,394.80
  6. Step 6: Final answer
    x = 766,732,419,212.13

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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.