Home / 1,490,241,447.80-2,235,362,171.70-1,480,037,780.60

Finding the Fourth Proportional to 1,490,241,447.80, 2,235,362,171.70 and 1,480,037,780.60

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Solution

The fourth proportional to 1,490,241,447.80, 2,235,362,171.70 and 1,480,037,780.60 is: 2,220,056,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,241,447.80 : 2,235,362,171.70 = 1,480,037,780.60 : x
  2. Step 2: Convert to fraction form
    1,490,241,447.80/2,235,362,171.70 = 1,480,037,780.60/x
  3. Step 3: Cross multiply
    1,490,241,447.80x = 2,235,362,171.70 × 1,480,037,780.60
  4. Step 4: Simplify right side
    1,490,241,447.80x = 3,308,420,467,440,063,488
  5. Step 5: Solve for x
    x = 3,308,420,467,440,063,488/1,490,241,447.80
  6. Step 6: Final answer
    x = 2,220,056,670.90

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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.