Home / 5,318,784,921.20-7,978,177,381.80-2,371,058,841.20

Finding the Fourth Proportional to 5,318,784,921.20, 7,978,177,381.80 and 2,371,058,841.20

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Solution

The fourth proportional to 5,318,784,921.20, 7,978,177,381.80 and 2,371,058,841.20 is: 3,556,588,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,921.20 : 7,978,177,381.80 = 2,371,058,841.20 : x
  2. Step 2: Convert to fraction form
    5,318,784,921.20/7,978,177,381.80 = 2,371,058,841.20/x
  3. Step 3: Cross multiply
    5,318,784,921.20x = 7,978,177,381.80 × 2,371,058,841.20
  4. Step 4: Simplify right side
    5,318,784,921.20x = 18,916,728,017,778,757,632
  5. Step 5: Solve for x
    x = 18,916,728,017,778,757,632/5,318,784,921.20
  6. Step 6: Final answer
    x = 3,556,588,261.80

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1.5x scale

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.