Home / 2,939,448,005.32-4,407,641,020.50-1,386,322,311.64

Finding the Fourth Proportional to 2,939,448,005.32, 4,407,641,020.50 and 1,386,322,311.64

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Solution

The fourth proportional to 2,939,448,005.32, 4,407,641,020.50 and 1,386,322,311.64 is: 2,078,761,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,448,005.32 : 4,407,641,020.50 = 1,386,322,311.64 : x
  2. Step 2: Convert to fraction form
    2,939,448,005.32/4,407,641,020.50 = 1,386,322,311.64/x
  3. Step 3: Cross multiply
    2,939,448,005.32x = 4,407,641,020.50 × 1,386,322,311.64
  4. Step 4: Simplify right side
    2,939,448,005.32x = 6,110,411,088,418,848,768
  5. Step 5: Solve for x
    x = 6,110,411,088,418,848,768/2,939,448,005.32
  6. Step 6: Final answer
    x = 2,078,761,412.81

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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.