Finding the Fourth Proportional to 9,319,797,323.60, 12,861,233,386.44 and 5,090,707,593.68
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Solution
The fourth proportional to 9,319,797,323.60, 12,861,233,386.44 and 5,090,707,593.68 is: 7,025,129,001.32
Step by Step Solution
- Step 1: Write the proportion equation
9,319,797,323.60 : 12,861,233,386.44 = 5,090,707,593.68 : x - Step 2: Convert to fraction form
9,319,797,323.60/12,861,233,386.44 = 5,090,707,593.68/x - Step 3: Cross multiply
9,319,797,323.60x = 12,861,233,386.44 × 5,090,707,593.68 - Step 4: Simplify right side
9,319,797,323.60x = 65,472,778,464,440,860,672 - Step 5: Solve for x
x = 65,472,778,464,440,860,672/9,319,797,323.60 - Step 6: Final answer
x = 7,025,129,001.32
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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.