Home / 628,511,686.08-867,373,158.24-350,053,333.44

Finding the Fourth Proportional to 628,511,686.08, 867,373,158.24 and 350,053,333.44

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Solution

The fourth proportional to 628,511,686.08, 867,373,158.24 and 350,053,333.44 is: 483,088,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,511,686.08 : 867,373,158.24 = 350,053,333.44 : x
  2. Step 2: Convert to fraction form
    628,511,686.08/867,373,158.24 = 350,053,333.44/x
  3. Step 3: Cross multiply
    628,511,686.08x = 867,373,158.24 × 350,053,333.44
  4. Step 4: Simplify right side
    628,511,686.08x = 303,626,865,378,292,608
  5. Step 5: Solve for x
    x = 303,626,865,378,292,608/628,511,686.08
  6. Step 6: Final answer
    x = 483,088,655.47

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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.