Finding the Fourth Proportional to 450,303,368,358.80, 675,569,382,716.28 and 208,454,836,728.08
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Solution
The fourth proportional to 450,303,368,358.80, 675,569,382,716.28 and 208,454,836,728.08 is: 312,735,180,920.08
Step by Step Solution
- Step 1: Write the proportion equation
450,303,368,358.80 : 675,569,382,716.28 = 208,454,836,728.08 : x - Step 2: Convert to fraction form
450,303,368,358.80/675,569,382,716.28 = 208,454,836,728.08/x - Step 3: Cross multiply
450,303,368,358.80x = 675,569,382,716.28 × 208,454,836,728.08 - Step 4: Simplify right side
450,303,368,358.80x = 140,825,705,372,611,927,605,248 - Step 5: Solve for x
x = 140,825,705,372,611,927,605,248/450,303,368,358.80 - Step 6: Final answer
x = 312,735,180,920.08
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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.