Finding the Fourth Proportional to 2,642,353,995.06, 3,643,063,519.70 and 2,164,283,178.95
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Solution
The fourth proportional to 2,642,353,995.06, 3,643,063,519.70 and 2,164,283,178.95 is: 2,983,938,227.16
Step by Step Solution
- Step 1: Write the proportion equation
2,642,353,995.06 : 3,643,063,519.70 = 2,164,283,178.95 : x - Step 2: Convert to fraction form
2,642,353,995.06/3,643,063,519.70 = 2,164,283,178.95/x - Step 3: Cross multiply
2,642,353,995.06x = 3,643,063,519.70 × 2,164,283,178.95 - Step 4: Simplify right side
2,642,353,995.06x = 7,884,621,095,547,463,680 - Step 5: Solve for x
x = 7,884,621,095,547,463,680/2,642,353,995.06 - Step 6: Final answer
x = 2,983,938,227.16
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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.