Finding the Fourth Proportional to 299,170,916.88, 448,898,493.84 and 207,196,194.48
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Solution
The fourth proportional to 299,170,916.88, 448,898,493.84 and 207,196,194.48 is: 310,892,718.45
Step by Step Solution
- Step 1: Write the proportion equation
299,170,916.88 : 448,898,493.84 = 207,196,194.48 : x - Step 2: Convert to fraction form
299,170,916.88/448,898,493.84 = 207,196,194.48/x - Step 3: Cross multiply
299,170,916.88x = 448,898,493.84 × 207,196,194.48 - Step 4: Simplify right side
299,170,916.88x = 93,010,059,631,451,712 - Step 5: Solve for x
x = 93,010,059,631,451,712/299,170,916.88 - Step 6: Final answer
x = 310,892,718.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.