Finding the Fourth Proportional to 4,549,423,074.30, 6,824,134,611.45 and 2,221,853,211.90
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Solution
The fourth proportional to 4,549,423,074.30, 6,824,134,611.45 and 2,221,853,211.90 is: 3,332,779,817.85
Step by Step Solution
- Step 1: Write the proportion equation
4,549,423,074.30 : 6,824,134,611.45 = 2,221,853,211.90 : x - Step 2: Convert to fraction form
4,549,423,074.30/6,824,134,611.45 = 2,221,853,211.90/x - Step 3: Cross multiply
4,549,423,074.30x = 6,824,134,611.45 × 2,221,853,211.90 - Step 4: Simplify right side
4,549,423,074.30x = 15,162,225,404,888,141,824 - Step 5: Solve for x
x = 15,162,225,404,888,141,824/4,549,423,074.30 - Step 6: Final answer
x = 3,332,779,817.85
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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.