Finding the Fourth Proportional to 9,033,276,061.89, 12,466,257,393.26 and 5,416,888,582.99
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Solution
The fourth proportional to 9,033,276,061.89, 12,466,257,393.26 and 5,416,888,582.99 is: 7,475,507,986.64
Step by Step Solution
- Step 1: Write the proportion equation
9,033,276,061.89 : 12,466,257,393.26 = 5,416,888,582.99 : x - Step 2: Convert to fraction form
9,033,276,061.89/12,466,257,393.26 = 5,416,888,582.99/x - Step 3: Cross multiply
9,033,276,061.89x = 12,466,257,393.26 × 5,416,888,582.99 - Step 4: Simplify right side
9,033,276,061.89x = 67,528,327,346,197,225,472 - Step 5: Solve for x
x = 67,528,327,346,197,225,472/9,033,276,061.89 - Step 6: Final answer
x = 7,475,507,986.64
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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.