Finding the Fourth Proportional to 4,860,719,265.10, 6,708,871,687.45 and 2,955,075,816.09
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Solution
The fourth proportional to 4,860,719,265.10, 6,708,871,687.45 and 2,955,075,816.09 is: 4,078,660,666.37
Step by Step Solution
- Step 1: Write the proportion equation
4,860,719,265.10 : 6,708,871,687.45 = 2,955,075,816.09 : x - Step 2: Convert to fraction form
4,860,719,265.10/6,708,871,687.45 = 2,955,075,816.09/x - Step 3: Cross multiply
4,860,719,265.10x = 6,708,871,687.45 × 2,955,075,816.09 - Step 4: Simplify right side
4,860,719,265.10x = 19,825,224,476,834,406,400 - Step 5: Solve for x
x = 19,825,224,476,834,406,400/4,860,719,265.10 - Step 6: Final answer
x = 4,078,660,666.37
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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.