Finding the Fourth Proportional to 289,768,410.96, 399,883,292.04 and 157,612,482
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Solution
The fourth proportional to 289,768,410.96, 399,883,292.04 and 157,612,482 is: 217,506,794.34
Step by Step Solution
- Step 1: Write the proportion equation
289,768,410.96 : 399,883,292.04 = 157,612,482 : x - Step 2: Convert to fraction form
289,768,410.96/399,883,292.04 = 157,612,482/x - Step 3: Cross multiply
289,768,410.96x = 399,883,292.04 × 157,612,482 - Step 4: Simplify right side
289,768,410.96x = 63,026,598,168,755,248 - Step 5: Solve for x
x = 63,026,598,168,755,248/289,768,410.96 - Step 6: Final answer
x = 217,506,794.34
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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.