Finding the Fourth Proportional to 694,911,683.60, 958,763,086.44 and 401,449,176.08
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Solution
The fourth proportional to 694,911,683.60, 958,763,086.44 and 401,449,176.08 is: 553,875,636.56
Step by Step Solution
- Step 1: Write the proportion equation
694,911,683.60 : 958,763,086.44 = 401,449,176.08 : x - Step 2: Convert to fraction form
694,911,683.60/958,763,086.44 = 401,449,176.08/x - Step 3: Cross multiply
694,911,683.60x = 958,763,086.44 × 401,449,176.08 - Step 4: Simplify right side
694,911,683.60x = 384,894,651,107,255,808 - Step 5: Solve for x
x = 384,894,651,107,255,808/694,911,683.60 - Step 6: Final answer
x = 553,875,636.56
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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.