Home / 821,074,509.44-1,133,023,999.21-481,996,752.77

Finding the Fourth Proportional to 821,074,509.44, 1,133,023,999.21 and 481,996,752.77

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Solution

The fourth proportional to 821,074,509.44, 1,133,023,999.21 and 481,996,752.77 is: 665,120,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,074,509.44 : 1,133,023,999.21 = 481,996,752.77 : x
  2. Step 2: Convert to fraction form
    821,074,509.44/1,133,023,999.21 = 481,996,752.77/x
  3. Step 3: Cross multiply
    821,074,509.44x = 1,133,023,999.21 × 481,996,752.77
  4. Step 4: Simplify right side
    821,074,509.44x = 546,113,888,428,154,112
  5. Step 5: Solve for x
    x = 546,113,888,428,154,112/821,074,509.44
  6. Step 6: Final answer
    x = 665,120,987.38

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1.5x scale

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.