Home / 1,071,102,402.96-1,605,920,129.64-545,453,999.28

Finding the Fourth Proportional to 1,071,102,402.96, 1,605,920,129.64 and 545,453,999.28

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Solution

The fourth proportional to 1,071,102,402.96, 1,605,920,129.64 and 545,453,999.28 is: 817,807,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,102,402.96 : 1,605,920,129.64 = 545,453,999.28 : x
  2. Step 2: Convert to fraction form
    1,071,102,402.96/1,605,920,129.64 = 545,453,999.28/x
  3. Step 3: Cross multiply
    1,071,102,402.96x = 1,605,920,129.64 × 545,453,999.28
  4. Step 4: Simplify right side
    1,071,102,402.96x = 875,955,557,236,394,112
  5. Step 5: Solve for x
    x = 875,955,557,236,394,112/1,071,102,402.96
  6. Step 6: Final answer
    x = 817,807,480.23

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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.