Finding the Fourth Proportional to 316,373,994.60, 474,387,993.18 and 251,213,700.84
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Solution
The fourth proportional to 316,373,994.60, 474,387,993.18 and 251,213,700.84 is: 376,683,183.30
Step by Step Solution
- Step 1: Write the proportion equation
316,373,994.60 : 474,387,993.18 = 251,213,700.84 : x - Step 2: Convert to fraction form
316,373,994.60/474,387,993.18 = 251,213,700.84/x - Step 3: Cross multiply
316,373,994.60x = 474,387,993.18 × 251,213,700.84 - Step 4: Simplify right side
316,373,994.60x = 119,172,763,400,808,480 - Step 5: Solve for x
x = 119,172,763,400,808,480/316,373,994.60 - Step 6: Final answer
x = 376,683,183.30
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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.