Home / 839,809,343.40-1,259,714,015.10-635,735,999.40

Finding the Fourth Proportional to 839,809,343.40, 1,259,714,015.10 and 635,735,999.40

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Solution

The fourth proportional to 839,809,343.40, 1,259,714,015.10 and 635,735,999.40 is: 953,603,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,343.40 : 1,259,714,015.10 = 635,735,999.40 : x
  2. Step 2: Convert to fraction form
    839,809,343.40/1,259,714,015.10 = 635,735,999.40/x
  3. Step 3: Cross multiply
    839,809,343.40x = 1,259,714,015.10 × 635,735,999.40
  4. Step 4: Simplify right side
    839,809,343.40x = 800,845,548,347,785,088
  5. Step 5: Solve for x
    x = 800,845,548,347,785,088/839,809,343.40
  6. Step 6: Final answer
    x = 953,603,999.10

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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.