Home / 2,800,877,000.86-4,200,119,605.41-1,621,271,702.43

Finding the Fourth Proportional to 2,800,877,000.86, 4,200,119,605.41 and 1,621,271,702.43

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Solution

The fourth proportional to 2,800,877,000.86, 4,200,119,605.41 and 1,621,271,702.43 is: 2,431,215,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,877,000.86 : 4,200,119,605.41 = 1,621,271,702.43 : x
  2. Step 2: Convert to fraction form
    2,800,877,000.86/4,200,119,605.41 = 1,621,271,702.43/x
  3. Step 3: Cross multiply
    2,800,877,000.86x = 4,200,119,605.41 × 1,621,271,702.43
  4. Step 4: Simplify right side
    2,800,877,000.86x = 6,809,535,063,075,608,576
  5. Step 5: Solve for x
    x = 6,809,535,063,075,608,576/2,800,877,000.86
  6. Step 6: Final answer
    x = 2,431,215,316.13

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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.