Finding the Fourth Proportional to 963,321,135.51, 1,329,419,710.38 and 539,942,621.88
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Solution
The fourth proportional to 963,321,135.51, 1,329,419,710.38 and 539,942,621.88 is: 745,141,300.80
Step by Step Solution
- Step 1: Write the proportion equation
963,321,135.51 : 1,329,419,710.38 = 539,942,621.88 : x - Step 2: Convert to fraction form
963,321,135.51/1,329,419,710.38 = 539,942,621.88/x - Step 3: Cross multiply
963,321,135.51x = 1,329,419,710.38 × 539,942,621.88 - Step 4: Simplify right side
963,321,135.51x = 717,810,364,001,527,552 - Step 5: Solve for x
x = 717,810,364,001,527,552/963,321,135.51 - Step 6: Final answer
x = 745,141,300.80
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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.