Finding the Fourth Proportional to 416,186,551.20, 623,607,980.40 and 262,557,674.40
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Solution
The fourth proportional to 416,186,551.20, 623,607,980.40 and 262,557,674.40 is: 393,412,666.99
Step by Step Solution
- Step 1: Write the proportion equation
416,186,551.20 : 623,607,980.40 = 262,557,674.40 : x - Step 2: Convert to fraction form
416,186,551.20/623,607,980.40 = 262,557,674.40/x - Step 3: Cross multiply
416,186,551.20x = 623,607,980.40 × 262,557,674.40 - Step 4: Simplify right side
416,186,551.20x = 163,733,061,071,104,768 - Step 5: Solve for x
x = 163,733,061,071,104,768/416,186,551.20 - Step 6: Final answer
x = 393,412,666.99
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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.