Finding the Fourth Proportional to 4,938,602,785.22, 6,815,089,349.47 and 2,680,493,829.46
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Solution
The fourth proportional to 4,938,602,785.22, 6,815,089,349.47 and 2,680,493,829.46 is: 3,698,982,433.48
Step by Step Solution
- Step 1: Write the proportion equation
4,938,602,785.22 : 6,815,089,349.47 = 2,680,493,829.46 : x - Step 2: Convert to fraction form
4,938,602,785.22/6,815,089,349.47 = 2,680,493,829.46/x - Step 3: Cross multiply
4,938,602,785.22x = 6,815,089,349.47 × 2,680,493,829.46 - Step 4: Simplify right side
4,938,602,785.22x = 18,267,804,948,438,302,720 - Step 5: Solve for x
x = 18,267,804,948,438,302,720/4,938,602,785.22 - Step 6: Final answer
x = 3,698,982,433.48
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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.