Finding the Fourth Proportional to 3,670,928,427.84, 5,065,881,959.45 and 2,000,177,569.02
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Solution
The fourth proportional to 3,670,928,427.84, 5,065,881,959.45 and 2,000,177,569.02 is: 2,760,245,442.47
Step by Step Solution
- Step 1: Write the proportion equation
3,670,928,427.84 : 5,065,881,959.45 = 2,000,177,569.02 : x - Step 2: Convert to fraction form
3,670,928,427.84/5,065,881,959.45 = 2,000,177,569.02/x - Step 3: Cross multiply
3,670,928,427.84x = 5,065,881,959.45 × 2,000,177,569.02 - Step 4: Simplify right side
3,670,928,427.84x = 10,132,663,462,594,975,744 - Step 5: Solve for x
x = 10,132,663,462,594,975,744/3,670,928,427.84 - Step 6: Final answer
x = 2,760,245,442.47
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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.