Finding the Fourth Proportional to 3,506,054,542.56, 4,838,356,964.97 and 1,920,246,233.40
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Solution
The fourth proportional to 3,506,054,542.56, 4,838,356,964.97 and 1,920,246,233.40 is: 2,649,940,731.11
Step by Step Solution
- Step 1: Write the proportion equation
3,506,054,542.56 : 4,838,356,964.97 = 1,920,246,233.40 : x - Step 2: Convert to fraction form
3,506,054,542.56/4,838,356,964.97 = 1,920,246,233.40/x - Step 3: Cross multiply
3,506,054,542.56x = 4,838,356,964.97 × 1,920,246,233.40 - Step 4: Simplify right side
3,506,054,542.56x = 9,290,836,737,828,298,752 - Step 5: Solve for x
x = 9,290,836,737,828,298,752/3,506,054,542.56 - Step 6: Final answer
x = 2,649,940,731.11
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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.