Home / 1,303,622,428.40-1,955,433,642.60-890,373,906.80

Finding the Fourth Proportional to 1,303,622,428.40, 1,955,433,642.60 and 890,373,906.80

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Solution

The fourth proportional to 1,303,622,428.40, 1,955,433,642.60 and 890,373,906.80 is: 1,335,560,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,622,428.40 : 1,955,433,642.60 = 890,373,906.80 : x
  2. Step 2: Convert to fraction form
    1,303,622,428.40/1,955,433,642.60 = 890,373,906.80/x
  3. Step 3: Cross multiply
    1,303,622,428.40x = 1,955,433,642.60 × 890,373,906.80
  4. Step 4: Simplify right side
    1,303,622,428.40x = 1,741,067,091,849,916,672
  5. Step 5: Solve for x
    x = 1,741,067,091,849,916,672/1,303,622,428.40
  6. Step 6: Final answer
    x = 1,335,560,860.20

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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.