Finding the Fourth Proportional to 2,366,290,830.80, 3,549,436,246.20 and 619,490,190.80
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Solution
The fourth proportional to 2,366,290,830.80, 3,549,436,246.20 and 619,490,190.80 is: 929,235,286.20
Step by Step Solution
- Step 1: Write the proportion equation
2,366,290,830.80 : 3,549,436,246.20 = 619,490,190.80 : x - Step 2: Convert to fraction form
2,366,290,830.80/3,549,436,246.20 = 619,490,190.80/x - Step 3: Cross multiply
2,366,290,830.80x = 3,549,436,246.20 × 619,490,190.80 - Step 4: Simplify right side
2,366,290,830.80x = 2,198,840,937,390,873,600 - Step 5: Solve for x
x = 2,198,840,937,390,873,600/2,366,290,830.80 - Step 6: Final answer
x = 929,235,286.20
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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.