Home / 1,018,564,347,513.30-1,405,623,169,521.50-555,601,475,126.79

Finding the Fourth Proportional to 1,018,564,347,513.30, 1,405,623,169,521.50 and 555,601,475,126.79

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Solution

The fourth proportional to 1,018,564,347,513.30, 1,405,623,169,521.50 and 555,601,475,126.79 is: 766,732,419,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,347,513.30 : 1,405,623,169,521.50 = 555,601,475,126.79 : x
  2. Step 2: Convert to fraction form
    1,018,564,347,513.30/1,405,623,169,521.50 = 555,601,475,126.79/x
  3. Step 3: Cross multiply
    1,018,564,347,513.30x = 1,405,623,169,521.50 × 555,601,475,126.79
  4. Step 4: Simplify right side
    1,018,564,347,513.30x = 780,966,306,458,539,430,772,736
  5. Step 5: Solve for x
    x = 780,966,306,458,539,430,772,736/1,018,564,347,513.30
  6. Step 6: Final answer
    x = 766,732,419,375.54

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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.