Finding the Fourth Proportional to 2,808,453,274.56, 3,875,678,465.88 and 1,555,363,860.48
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Solution
The fourth proportional to 2,808,453,274.56, 3,875,678,465.88 and 1,555,363,860.48 is: 2,146,409,297.70
Step by Step Solution
- Step 1: Write the proportion equation
2,808,453,274.56 : 3,875,678,465.88 = 1,555,363,860.48 : x - Step 2: Convert to fraction form
2,808,453,274.56/3,875,678,465.88 = 1,555,363,860.48/x - Step 3: Cross multiply
2,808,453,274.56x = 3,875,678,465.88 × 1,555,363,860.48 - Step 4: Simplify right side
2,808,453,274.56x = 6,028,090,220,670,320,640 - Step 5: Solve for x
x = 6,028,090,220,670,320,640/2,808,453,274.56 - Step 6: Final answer
x = 2,146,409,297.70
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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.