Home / 1,230,337,425.20-1,845,506,137.80-1,187,339,255.60

Finding the Fourth Proportional to 1,230,337,425.20, 1,845,506,137.80 and 1,187,339,255.60

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Solution

The fourth proportional to 1,230,337,425.20, 1,845,506,137.80 and 1,187,339,255.60 is: 1,781,008,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,337,425.20 : 1,845,506,137.80 = 1,187,339,255.60 : x
  2. Step 2: Convert to fraction form
    1,230,337,425.20/1,845,506,137.80 = 1,187,339,255.60/x
  3. Step 3: Cross multiply
    1,230,337,425.20x = 1,845,506,137.80 × 1,187,339,255.60
  4. Step 4: Simplify right side
    1,230,337,425.20x = 2,191,241,883,860,682,752
  5. Step 5: Solve for x
    x = 2,191,241,883,860,682,752/1,230,337,425.20
  6. Step 6: Final answer
    x = 1,781,008,883.40

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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.