Home / 18,994,554,018.60-28,491,831,027.90-9,199,033,506.60

Finding the Fourth Proportional to 18,994,554,018.60, 28,491,831,027.90 and 9,199,033,506.60

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Solution

The fourth proportional to 18,994,554,018.60, 28,491,831,027.90 and 9,199,033,506.60 is: 13,798,550,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994,554,018.60 : 28,491,831,027.90 = 9,199,033,506.60 : x
  2. Step 2: Convert to fraction form
    18,994,554,018.60/28,491,831,027.90 = 9,199,033,506.60/x
  3. Step 3: Cross multiply
    18,994,554,018.60x = 28,491,831,027.90 × 9,199,033,506.60
  4. Step 4: Simplify right side
    18,994,554,018.60x = 262,097,308,290,037,645,312
  5. Step 5: Solve for x
    x = 262,097,308,290,037,645,312/18,994,554,018.60
  6. Step 6: Final answer
    x = 13,798,550,259.90

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1.5x scale

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.