Home / 7,965,963,392.80-11,948,945,089.20-4,292,643,200.80

Finding the Fourth Proportional to 7,965,963,392.80, 11,948,945,089.20 and 4,292,643,200.80

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Solution

The fourth proportional to 7,965,963,392.80, 11,948,945,089.20 and 4,292,643,200.80 is: 6,438,964,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,963,392.80 : 11,948,945,089.20 = 4,292,643,200.80 : x
  2. Step 2: Convert to fraction form
    7,965,963,392.80/11,948,945,089.20 = 4,292,643,200.80/x
  3. Step 3: Cross multiply
    7,965,963,392.80x = 11,948,945,089.20 × 4,292,643,200.80
  4. Step 4: Simplify right side
    7,965,963,392.80x = 51,292,557,893,886,935,040
  5. Step 5: Solve for x
    x = 51,292,557,893,886,935,040/7,965,963,392.80
  6. Step 6: Final answer
    x = 6,438,964,801.20

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Double scale
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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.