Home / 18,850,390,681.50-28,267,076,987.22-5,401,598,450.72

Finding the Fourth Proportional to 18,850,390,681.50, 28,267,076,987.22 and 5,401,598,450.72

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Solution

The fourth proportional to 18,850,390,681.50, 28,267,076,987.22 and 5,401,598,450.72 is: 8,099,959,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,390,681.50 : 28,267,076,987.22 = 5,401,598,450.72 : x
  2. Step 2: Convert to fraction form
    18,850,390,681.50/28,267,076,987.22 = 5,401,598,450.72/x
  3. Step 3: Cross multiply
    18,850,390,681.50x = 28,267,076,987.22 × 5,401,598,450.72
  4. Step 4: Simplify right side
    18,850,390,681.50x = 152,687,399,260,409,200,640
  5. Step 5: Solve for x
    x = 152,687,399,260,409,200,640/18,850,390,681.50
  6. Step 6: Final answer
    x = 8,099,959,403.51

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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.