Finding the Fourth Proportional to 7,539,536,000.36, 10,405,294,599.42 and 5,630,984,017.40
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Solution
The fourth proportional to 7,539,536,000.36, 10,405,294,599.42 and 5,630,984,017.40 is: 7,771,306,826.16
Step by Step Solution
- Step 1: Write the proportion equation
7,539,536,000.36 : 10,405,294,599.42 = 5,630,984,017.40 : x - Step 2: Convert to fraction form
7,539,536,000.36/10,405,294,599.42 = 5,630,984,017.40/x - Step 3: Cross multiply
7,539,536,000.36x = 10,405,294,599.42 × 5,630,984,017.40 - Step 4: Simplify right side
7,539,536,000.36x = 58,592,047,585,672,552,448 - Step 5: Solve for x
x = 58,592,047,585,672,552,448/7,539,536,000.36 - Step 6: Final answer
x = 7,771,306,826.16
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1.5x scale
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.