Finding the Fourth Proportional to 4,860,719,466, 6,708,871,964.79 and 2,955,076,017.18
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Solution
The fourth proportional to 4,860,719,466, 6,708,871,964.79 and 2,955,076,017.18 is: 4,078,660,943.95
Step by Step Solution
- Step 1: Write the proportion equation
4,860,719,466 : 6,708,871,964.79 = 2,955,076,017.18 : x - Step 2: Convert to fraction form
4,860,719,466/6,708,871,964.79 = 2,955,076,017.18/x - Step 3: Cross multiply
4,860,719,466x = 6,708,871,964.79 × 2,955,076,017.18 - Step 4: Simplify right side
4,860,719,466x = 19,825,226,645,482,192,896 - Step 5: Solve for x
x = 19,825,226,645,482,192,896/4,860,719,466 - Step 6: Final answer
x = 4,078,660,943.95
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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.