Finding the Fourth Proportional to 668,244,931.08, 922,347,522.84 and 456,637,414.44
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Solution
The fourth proportional to 668,244,931.08, 922,347,522.84 and 456,637,414.44 is: 630,275,470.05
Step by Step Solution
- Step 1: Write the proportion equation
668,244,931.08 : 922,347,522.84 = 456,637,414.44 : x - Step 2: Convert to fraction form
668,244,931.08/922,347,522.84 = 456,637,414.44/x - Step 3: Cross multiply
668,244,931.08x = 922,347,522.84 × 456,637,414.44 - Step 4: Simplify right side
668,244,931.08x = 421,178,388,044,796,480 - Step 5: Solve for x
x = 421,178,388,044,796,480/668,244,931.08 - Step 6: Final answer
x = 630,275,470.05
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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.