Finding the Fourth Proportional to 2,838,715,388.19, 4,258,223,460.40 and 874,917,283.95
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Solution
The fourth proportional to 2,838,715,388.19, 4,258,223,460.40 and 874,917,283.95 is: 1,312,422,273.80
Step by Step Solution
- Step 1: Write the proportion equation
2,838,715,388.19 : 4,258,223,460.40 = 874,917,283.95 : x - Step 2: Convert to fraction form
2,838,715,388.19/4,258,223,460.40 = 874,917,283.95/x - Step 3: Cross multiply
2,838,715,388.19x = 4,258,223,460.40 × 874,917,283.95 - Step 4: Simplify right side
2,838,715,388.19x = 3,725,593,304,429,538,304 - Step 5: Solve for x
x = 3,725,593,304,429,538,304/2,838,715,388.19 - Step 6: Final answer
x = 1,312,422,273.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.