Home / 1,018,564,347,390-1,405,623,169,351.50-555,601,475,003.44

Finding the Fourth Proportional to 1,018,564,347,390, 1,405,623,169,351.50 and 555,601,475,003.44

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Solution

The fourth proportional to 1,018,564,347,390, 1,405,623,169,351.50 and 555,601,475,003.44 is: 766,732,419,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,347,390 : 1,405,623,169,351.50 = 555,601,475,003.44 : x
  2. Step 2: Convert to fraction form
    1,018,564,347,390/1,405,623,169,351.50 = 555,601,475,003.44/x
  3. Step 3: Cross multiply
    1,018,564,347,390x = 1,405,623,169,351.50 × 555,601,475,003.44
  4. Step 4: Simplify right side
    1,018,564,347,390x = 780,966,306,190,703,391,145,984
  5. Step 5: Solve for x
    x = 780,966,306,190,703,391,145,984/1,018,564,347,390
  6. Step 6: Final answer
    x = 766,732,419,205.40

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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.