Finding the Fourth Proportional to 2,223,668,267.38, 3,068,668,036.44 and 1,206,393,641.21
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Solution
The fourth proportional to 2,223,668,267.38, 3,068,668,036.44 and 1,206,393,641.21 is: 1,664,826,386.40
Step by Step Solution
- Step 1: Write the proportion equation
2,223,668,267.38 : 3,068,668,036.44 = 1,206,393,641.21 : x - Step 2: Convert to fraction form
2,223,668,267.38/3,068,668,036.44 = 1,206,393,641.21/x - Step 3: Cross multiply
2,223,668,267.38x = 3,068,668,036.44 × 1,206,393,641.21 - Step 4: Simplify right side
2,223,668,267.38x = 3,702,021,606,130,770,944 - Step 5: Solve for x
x = 3,702,021,606,130,770,944/2,223,668,267.38 - Step 6: Final answer
x = 1,664,826,386.40
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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.