Finding the Fourth Proportional to 5,668,734,853.60, 8,503,102,280.40 and 1,988,612,216.80
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Solution
The fourth proportional to 5,668,734,853.60, 8,503,102,280.40 and 1,988,612,216.80 is: 2,982,918,325.20
Step by Step Solution
- Step 1: Write the proportion equation
5,668,734,853.60 : 8,503,102,280.40 = 1,988,612,216.80 : x - Step 2: Convert to fraction form
5,668,734,853.60/8,503,102,280.40 = 1,988,612,216.80/x - Step 3: Cross multiply
5,668,734,853.60x = 8,503,102,280.40 × 1,988,612,216.80 - Step 4: Simplify right side
5,668,734,853.60x = 16,909,373,075,503,378,432 - Step 5: Solve for x
x = 16,909,373,075,503,378,432/5,668,734,853.60 - Step 6: Final answer
x = 2,982,918,325.20
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Double scale
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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.