Home / 1,277,080,968.38-1,916,599,199.60-578,063,997.41

Finding the Fourth Proportional to 1,277,080,968.38, 1,916,599,199.60 and 578,063,997.41

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Solution

The fourth proportional to 1,277,080,968.38, 1,916,599,199.60 and 578,063,997.41 is: 867,538,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,080,968.38 : 1,916,599,199.60 = 578,063,997.41 : x
  2. Step 2: Convert to fraction form
    1,277,080,968.38/1,916,599,199.60 = 578,063,997.41/x
  3. Step 3: Cross multiply
    1,277,080,968.38x = 1,916,599,199.60 × 578,063,997.41
  4. Step 4: Simplify right side
    1,277,080,968.38x = 1,107,916,994,745,444,608
  5. Step 5: Solve for x
    x = 1,107,916,994,745,444,608/1,277,080,968.38
  6. Step 6: Final answer
    x = 867,538,568.17

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1.5x scale

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.