Finding the Fourth Proportional to 6,445,563,970.09, 9,668,343,679.40 and 1,723,763,166.62
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Solution
The fourth proportional to 6,445,563,970.09, 9,668,343,679.40 and 1,723,763,166.62 is: 2,585,644,141.32
Step by Step Solution
- Step 1: Write the proportion equation
6,445,563,970.09 : 9,668,343,679.40 = 1,723,763,166.62 : x - Step 2: Convert to fraction form
6,445,563,970.09/9,668,343,679.40 = 1,723,763,166.62/x - Step 3: Cross multiply
6,445,563,970.09x = 9,668,343,679.40 × 1,723,763,166.62 - Step 4: Simplify right side
6,445,563,970.09x = 16,665,934,716,764,387,328 - Step 5: Solve for x
x = 16,665,934,716,764,387,328/6,445,563,970.09 - Step 6: Final answer
x = 2,585,644,141.32
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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.