Home / 942,441,996.78-1,300,661,820.43-703,872,998.92

Finding the Fourth Proportional to 942,441,996.78, 1,300,661,820.43 and 703,872,998.92

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Solution

The fourth proportional to 942,441,996.78, 1,300,661,820.43 and 703,872,998.92 is: 971,413,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,441,996.78 : 1,300,661,820.43 = 703,872,998.92 : x
  2. Step 2: Convert to fraction form
    942,441,996.78/1,300,661,820.43 = 703,872,998.92/x
  3. Step 3: Cross multiply
    942,441,996.78x = 1,300,661,820.43 × 703,872,998.92
  4. Step 4: Simplify right side
    942,441,996.78x = 915,500,736,126,676,736
  5. Step 5: Solve for x
    x = 915,500,736,126,676,736/942,441,996.78
  6. Step 6: Final answer
    x = 971,413,348.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.