Finding the Fourth Proportional to 6,428,947,571,319.90, 8,865,988,256,558.70 and 4,692,005,874,132
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Solution
The fourth proportional to 6,428,947,571,319.90, 8,865,988,256,558.70 and 4,692,005,874,132 is: 6,470,618,793,865.54
Step by Step Solution
- Step 1: Write the proportion equation
6,428,947,571,319.90 : 8,865,988,256,558.70 = 4,692,005,874,132 : x - Step 2: Convert to fraction form
6,428,947,571,319.90/8,865,988,256,558.70 = 4,692,005,874,132/x - Step 3: Cross multiply
6,428,947,571,319.90x = 8,865,988,256,558.70 × 4,692,005,874,132 - Step 4: Simplify right side
6,428,947,571,319.90x = 41,599,268,979,758,748,634,447,872 - Step 5: Solve for x
x = 41,599,268,979,758,748,634,447,872/6,428,947,571,319.90 - Step 6: Final answer
x = 6,470,618,793,865.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.