Finding the Fourth Proportional to 624,661,228.76, 861,529,855.74 and 549,146,094.08
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Solution
The fourth proportional to 624,661,228.76, 861,529,855.74 and 549,146,094.08 is: 757,379,733.90
Step by Step Solution
- Step 1: Write the proportion equation
624,661,228.76 : 861,529,855.74 = 549,146,094.08 : x - Step 2: Convert to fraction form
624,661,228.76/861,529,855.74 = 549,146,094.08/x - Step 3: Cross multiply
624,661,228.76x = 861,529,855.74 × 549,146,094.08 - Step 4: Simplify right side
624,661,228.76x = 473,105,755,212,926,912 - Step 5: Solve for x
x = 473,105,755,212,926,912/624,661,228.76 - Step 6: Final answer
x = 757,379,733.90
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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.