Finding the Fourth Proportional to 944,784,805.60, 1,417,177,208.40 and 479,880,218.80
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Solution
The fourth proportional to 944,784,805.60, 1,417,177,208.40 and 479,880,218.80 is: 719,820,328.20
Step by Step Solution
- Step 1: Write the proportion equation
944,784,805.60 : 1,417,177,208.40 = 479,880,218.80 : x - Step 2: Convert to fraction form
944,784,805.60/1,417,177,208.40 = 479,880,218.80/x - Step 3: Cross multiply
944,784,805.60x = 1,417,177,208.40 × 479,880,218.80 - Step 4: Simplify right side
944,784,805.60x = 680,075,308,845,365,248 - Step 5: Solve for x
x = 680,075,308,845,365,248/944,784,805.60 - Step 6: Final answer
x = 719,820,328.20
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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.