Finding the Fourth Proportional to 1,800,668,927.07, 2,484,869,749.38 and 996,932,245.74
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Solution
The fourth proportional to 1,800,668,927.07, 2,484,869,749.38 and 996,932,245.74 is: 1,375,736,951.07
Step by Step Solution
- Step 1: Write the proportion equation
1,800,668,927.07 : 2,484,869,749.38 = 996,932,245.74 : x - Step 2: Convert to fraction form
1,800,668,927.07/2,484,869,749.38 = 996,932,245.74/x - Step 3: Cross multiply
1,800,668,927.07x = 2,484,869,749.38 × 996,932,245.74 - Step 4: Simplify right side
1,800,668,927.07x = 2,477,246,779,620,794,368 - Step 5: Solve for x
x = 2,477,246,779,620,794,368/1,800,668,927.07 - Step 6: Final answer
x = 1,375,736,951.07
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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.