Finding the Fourth Proportional to 1,131,322,455,417.60, 1,563,267,195,764.70 and 805,596,250,446.94
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Solution
The fourth proportional to 1,131,322,455,417.60, 1,563,267,195,764.70 and 805,596,250,446.94 is: 1,113,177,048,085.62
Step by Step Solution
- Step 1: Write the proportion equation
1,131,322,455,417.60 : 1,563,267,195,764.70 = 805,596,250,446.94 : x - Step 2: Convert to fraction form
1,131,322,455,417.60/1,563,267,195,764.70 = 805,596,250,446.94/x - Step 3: Cross multiply
1,131,322,455,417.60x = 1,563,267,195,764.70 × 805,596,250,446.94 - Step 4: Simplify right side
1,131,322,455,417.60x = 1,259,362,191,354,744,696,471,552 - Step 5: Solve for x
x = 1,259,362,191,354,744,696,471,552/1,131,322,455,417.60 - Step 6: Final answer
x = 1,113,177,048,085.62
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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.