Finding the Fourth Proportional to 859,629,075.60, 1,286,467,543.80 and 514,830,154.80
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Solution
The fourth proportional to 859,629,075.60, 1,286,467,543.80 and 514,830,154.80 is: 770,462,870.00
Step by Step Solution
- Step 1: Write the proportion equation
859,629,075.60 : 1,286,467,543.80 = 514,830,154.80 : x - Step 2: Convert to fraction form
859,629,075.60/1,286,467,543.80 = 514,830,154.80/x - Step 3: Cross multiply
859,629,075.60x = 1,286,467,543.80 × 514,830,154.80 - Step 4: Simplify right side
859,629,075.60x = 662,312,284,719,729,792 - Step 5: Solve for x
x = 662,312,284,719,729,792/859,629,075.60 - Step 6: Final answer
x = 770,462,870.00
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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.