Home / 2,319,433,951.72-3,200,819,376.90-1,276,392,415.72

Finding the Fourth Proportional to 2,319,433,951.72, 3,200,819,376.90 and 1,276,392,415.72

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Solution

The fourth proportional to 2,319,433,951.72, 3,200,819,376.90 and 1,276,392,415.72 is: 1,761,421,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,433,951.72 : 3,200,819,376.90 = 1,276,392,415.72 : x
  2. Step 2: Convert to fraction form
    2,319,433,951.72/3,200,819,376.90 = 1,276,392,415.72/x
  3. Step 3: Cross multiply
    2,319,433,951.72x = 3,200,819,376.90 × 1,276,392,415.72
  4. Step 4: Simplify right side
    2,319,433,951.72x = 4,085,501,576,764,776,448
  5. Step 5: Solve for x
    x = 4,085,501,576,764,776,448/2,319,433,951.72
  6. Step 6: Final answer
    x = 1,761,421,821.79

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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.