Finding the Fourth Proportional to 558,176,487.92, 770,269,972.16 and 307,278,837.84
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Solution
The fourth proportional to 558,176,487.92, 770,269,972.16 and 307,278,837.84 is: 424,037,319.72
Step by Step Solution
- Step 1: Write the proportion equation
558,176,487.92 : 770,269,972.16 = 307,278,837.84 : x - Step 2: Convert to fraction form
558,176,487.92/770,269,972.16 = 307,278,837.84/x - Step 3: Cross multiply
558,176,487.92x = 770,269,972.16 × 307,278,837.84 - Step 4: Simplify right side
558,176,487.92x = 236,687,661,868,373,920 - Step 5: Solve for x
x = 236,687,661,868,373,920/558,176,487.92 - Step 6: Final answer
x = 424,037,319.72
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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.