Home / 1,018,564,347,250.70-1,405,623,169,159.80-555,601,474,864.20

Finding the Fourth Proportional to 1,018,564,347,250.70, 1,405,623,169,159.80 and 555,601,474,864.20

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Solution

The fourth proportional to 1,018,564,347,250.70, 1,405,623,169,159.80 and 555,601,474,864.20 is: 766,732,419,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,347,250.70 : 1,405,623,169,159.80 = 555,601,474,864.20 : x
  2. Step 2: Convert to fraction form
    1,018,564,347,250.70/1,405,623,169,159.80 = 555,601,474,864.20/x
  3. Step 3: Cross multiply
    1,018,564,347,250.70x = 1,405,623,169,159.80 × 555,601,474,864.20
  4. Step 4: Simplify right side
    1,018,564,347,250.70x = 780,966,305,888,475,669,331,968
  5. Step 5: Solve for x
    x = 780,966,305,888,475,669,331,968/1,018,564,347,250.70
  6. Step 6: Final answer
    x = 766,732,419,013.54

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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.