Home / 419,904,009.40-586,505,124.20-419,904,009.40

Finding the Fourth Proportional to 419,904,009.40, 586,505,124.20 and 419,904,009.40

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Solution

The fourth proportional to 419,904,009.40, 586,505,124.20 and 419,904,009.40 is: 586,505,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,009.40 : 586,505,124.20 = 419,904,009.40 : x
  2. Step 2: Convert to fraction form
    419,904,009.40/586,505,124.20 = 419,904,009.40/x
  3. Step 3: Cross multiply
    419,904,009.40x = 586,505,124.20 × 419,904,009.40
  4. Step 4: Simplify right side
    419,904,009.40x = 246,275,853,185,224,960
  5. Step 5: Solve for x
    x = 246,275,853,185,224,960/419,904,009.40
  6. Step 6: Final answer
    x = 586,505,124.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.