Home / 3,886,391,900,729.80-5,363,389,411,924.70-2,152,201,457,061.80

Finding the Fourth Proportional to 3,886,391,900,729.80, 5,363,389,411,924.70 and 2,152,201,457,061.80

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Solution

The fourth proportional to 3,886,391,900,729.80, 5,363,389,411,924.70 and 2,152,201,457,061.80 is: 2,970,131,371,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,729.80 : 5,363,389,411,924.70 = 2,152,201,457,061.80 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,729.80/5,363,389,411,924.70 = 2,152,201,457,061.80/x
  3. Step 3: Cross multiply
    3,886,391,900,729.80x = 5,363,389,411,924.70 × 2,152,201,457,061.80
  4. Step 4: Simplify right side
    3,886,391,900,729.80x = 11,543,094,507,134,170,815,266,816
  5. Step 5: Solve for x
    x = 11,543,094,507,134,170,815,266,816/3,886,391,900,729.80
  6. Step 6: Final answer
    x = 2,970,131,371,714.36

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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.