Home / 792,936,006.40-1,189,404,009.60-482,999,615.20

Finding the Fourth Proportional to 792,936,006.40, 1,189,404,009.60 and 482,999,615.20

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Solution

The fourth proportional to 792,936,006.40, 1,189,404,009.60 and 482,999,615.20 is: 724,499,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,936,006.40 : 1,189,404,009.60 = 482,999,615.20 : x
  2. Step 2: Convert to fraction form
    792,936,006.40/1,189,404,009.60 = 482,999,615.20/x
  3. Step 3: Cross multiply
    792,936,006.40x = 1,189,404,009.60 × 482,999,615.20
  4. Step 4: Simplify right side
    792,936,006.40x = 574,481,678,954,137,024
  5. Step 5: Solve for x
    x = 574,481,678,954,137,024/792,936,006.40
  6. Step 6: Final answer
    x = 724,499,422.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.