Home / 1,346,904,932.80-2,019,979,485.60-427,063,230.40

Finding the Fourth Proportional to 1,346,904,932.80, 2,019,979,485.60 and 427,063,230.40

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Solution

The fourth proportional to 1,346,904,932.80, 2,019,979,485.60 and 427,063,230.40 is: 640,475,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,904,932.80 : 2,019,979,485.60 = 427,063,230.40 : x
  2. Step 2: Convert to fraction form
    1,346,904,932.80/2,019,979,485.60 = 427,063,230.40/x
  3. Step 3: Cross multiply
    1,346,904,932.80x = 2,019,979,485.60 × 427,063,230.40
  4. Step 4: Simplify right side
    1,346,904,932.80x = 862,658,964,462,066,176
  5. Step 5: Solve for x
    x = 862,658,964,462,066,176/1,346,904,932.80
  6. Step 6: Final answer
    x = 640,475,020.51

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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.