Home / 19,315,641,741.20-28,973,462,611.80-18,580,977,702.80

Finding the Fourth Proportional to 19,315,641,741.20, 28,973,462,611.80 and 18,580,977,702.80

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Solution

The fourth proportional to 19,315,641,741.20, 28,973,462,611.80 and 18,580,977,702.80 is: 27,871,466,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,641,741.20 : 28,973,462,611.80 = 18,580,977,702.80 : x
  2. Step 2: Convert to fraction form
    19,315,641,741.20/28,973,462,611.80 = 18,580,977,702.80/x
  3. Step 3: Cross multiply
    19,315,641,741.20x = 28,973,462,611.80 × 18,580,977,702.80
  4. Step 4: Simplify right side
    19,315,641,741.20x = 538,355,262,762,765,189,120
  5. Step 5: Solve for x
    x = 538,355,262,762,765,189,120/19,315,641,741.20
  6. Step 6: Final answer
    x = 27,871,466,554.20

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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.