Finding the Fourth Proportional to 314,954,801.10, 472,432,201.65 and 249,906,422.70
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Solution
The fourth proportional to 314,954,801.10, 472,432,201.65 and 249,906,422.70 is: 374,859,634.05
Step by Step Solution
- Step 1: Write the proportion equation
314,954,801.10 : 472,432,201.65 = 249,906,422.70 : x - Step 2: Convert to fraction form
314,954,801.10/472,432,201.65 = 249,906,422.70/x - Step 3: Cross multiply
314,954,801.10x = 472,432,201.65 × 249,906,422.70 - Step 4: Simplify right side
314,954,801.10x = 118,063,841,482,636,528 - Step 5: Solve for x
x = 118,063,841,482,636,528/314,954,801.10 - Step 6: Final answer
x = 374,859,634.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.