Home / 8,855,436,907.89-12,220,648,119.53-5,287,455,604.80

Finding the Fourth Proportional to 8,855,436,907.89, 12,220,648,119.53 and 5,287,455,604.80

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Solution

The fourth proportional to 8,855,436,907.89, 12,220,648,119.53 and 5,287,455,604.80 is: 7,296,775,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,436,907.89 : 12,220,648,119.53 = 5,287,455,604.80 : x
  2. Step 2: Convert to fraction form
    8,855,436,907.89/12,220,648,119.53 = 5,287,455,604.80/x
  3. Step 3: Cross multiply
    8,855,436,907.89x = 12,220,648,119.53 × 5,287,455,604.80
  4. Step 4: Simplify right side
    8,855,436,907.89x = 64,616,134,393,871,040,512
  5. Step 5: Solve for x
    x = 64,616,134,393,871,040,512/8,855,436,907.89
  6. Step 6: Final answer
    x = 7,296,775,423.50

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1.5x scale

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.