Home / 1,183,449,100.40-1,775,173,650.60-310,048,780.40

Finding the Fourth Proportional to 1,183,449,100.40, 1,775,173,650.60 and 310,048,780.40

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Solution

The fourth proportional to 1,183,449,100.40, 1,775,173,650.60 and 310,048,780.40 is: 465,073,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,449,100.40 : 1,775,173,650.60 = 310,048,780.40 : x
  2. Step 2: Convert to fraction form
    1,183,449,100.40/1,775,173,650.60 = 310,048,780.40/x
  3. Step 3: Cross multiply
    1,183,449,100.40x = 1,775,173,650.60 × 310,048,780.40
  4. Step 4: Simplify right side
    1,183,449,100.40x = 550,390,425,366,745,664
  5. Step 5: Solve for x
    x = 550,390,425,366,745,664/1,183,449,100.40
  6. Step 6: Final answer
    x = 465,073,170.60

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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.