Home / 3,886,391,900,728.80-5,363,389,411,923.30-2,152,201,457,060.80

Finding the Fourth Proportional to 3,886,391,900,728.80, 5,363,389,411,923.30 and 2,152,201,457,060.80

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Solution

The fourth proportional to 3,886,391,900,728.80, 5,363,389,411,923.30 and 2,152,201,457,060.80 is: 2,970,131,371,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,728.80 : 5,363,389,411,923.30 = 2,152,201,457,060.80 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,728.80/5,363,389,411,923.30 = 2,152,201,457,060.80/x
  3. Step 3: Cross multiply
    3,886,391,900,728.80x = 5,363,389,411,923.30 × 2,152,201,457,060.80
  4. Step 4: Simplify right side
    3,886,391,900,728.80x = 11,543,094,507,125,793,481,555,968
  5. Step 5: Solve for x
    x = 11,543,094,507,125,793,481,555,968/3,886,391,900,728.80
  6. Step 6: Final answer
    x = 2,970,131,371,712.97

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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.