Finding the Fourth Proportional to 371,896,720.68, 512,049,259.26 and 316,024,294.44
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Solution
The fourth proportional to 371,896,720.68, 512,049,259.26 and 316,024,294.44 is: 435,120,819.51
Step by Step Solution
- Step 1: Write the proportion equation
371,896,720.68 : 512,049,259.26 = 316,024,294.44 : x - Step 2: Convert to fraction form
371,896,720.68/512,049,259.26 = 316,024,294.44/x - Step 3: Cross multiply
371,896,720.68x = 512,049,259.26 × 316,024,294.44 - Step 4: Simplify right side
371,896,720.68x = 161,820,005,876,166,144 - Step 5: Solve for x
x = 161,820,005,876,166,144/371,896,720.68 - Step 6: Final answer
x = 435,120,819.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.