Finding the Fourth Proportional to 1,281,142,189,278.70, 1,767,859,364,092.80 and 760,207,829,811.84
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Solution
The fourth proportional to 1,281,142,189,278.70, 1,767,859,364,092.80 and 760,207,829,811.84 is: 1,049,017,464,131.90
Step by Step Solution
- Step 1: Write the proportion equation
1,281,142,189,278.70 : 1,767,859,364,092.80 = 760,207,829,811.84 : x - Step 2: Convert to fraction form
1,281,142,189,278.70/1,767,859,364,092.80 = 760,207,829,811.84/x - Step 3: Cross multiply
1,281,142,189,278.70x = 1,767,859,364,092.80 × 760,207,829,811.84 - Step 4: Simplify right side
1,281,142,189,278.70x = 1,343,940,530,589,526,950,674,432 - Step 5: Solve for x
x = 1,343,940,530,589,526,950,674,432/1,281,142,189,278.70 - Step 6: Final answer
x = 1,049,017,464,131.90
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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.