Finding the Fourth Proportional to 448,537,684.19, 618,982,118.50 and 247,594,673.26
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Solution
The fourth proportional to 448,537,684.19, 618,982,118.50 and 247,594,673.26 is: 341,680,712.20
Step by Step Solution
- Step 1: Write the proportion equation
448,537,684.19 : 618,982,118.50 = 247,594,673.26 : x - Step 2: Convert to fraction form
448,537,684.19/618,982,118.50 = 247,594,673.26/x - Step 3: Cross multiply
448,537,684.19x = 618,982,118.50 × 247,594,673.26 - Step 4: Simplify right side
448,537,684.19x = 153,256,675,384,407,840 - Step 5: Solve for x
x = 153,256,675,384,407,840/448,537,684.19 - Step 6: Final answer
x = 341,680,712.20
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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.