Home / 808,583,754.32-1,115,845,580.16-437,305,785.29

Finding the Fourth Proportional to 808,583,754.32, 1,115,845,580.16 and 437,305,785.29

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Solution

The fourth proportional to 808,583,754.32, 1,115,845,580.16 and 437,305,785.29 is: 603,481,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,583,754.32 : 1,115,845,580.16 = 437,305,785.29 : x
  2. Step 2: Convert to fraction form
    808,583,754.32/1,115,845,580.16 = 437,305,785.29/x
  3. Step 3: Cross multiply
    808,583,754.32x = 1,115,845,580.16 × 437,305,785.29
  4. Step 4: Simplify right side
    808,583,754.32x = 487,965,727,686,478,720
  5. Step 5: Solve for x
    x = 487,965,727,686,478,720/808,583,754.32
  6. Step 6: Final answer
    x = 603,481,983.26

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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.