Finding the Fourth Proportional to 4,860,719,264.86, 6,708,871,687.11 and 2,955,075,815.84
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Solution
The fourth proportional to 4,860,719,264.86, 6,708,871,687.11 and 2,955,075,815.84 is: 4,078,660,666.03
Step by Step Solution
- Step 1: Write the proportion equation
4,860,719,264.86 : 6,708,871,687.11 = 2,955,075,815.84 : x - Step 2: Convert to fraction form
4,860,719,264.86/6,708,871,687.11 = 2,955,075,815.84/x - Step 3: Cross multiply
4,860,719,264.86x = 6,708,871,687.11 × 2,955,075,815.84 - Step 4: Simplify right side
4,860,719,264.86x = 19,825,224,474,172,166,144 - Step 5: Solve for x
x = 19,825,224,474,172,166,144/4,860,719,264.86 - Step 6: Final answer
x = 4,078,660,666.03
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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.