Finding the Fourth Proportional to 282,918,272.49, 390,284,355.51 and 165,366,803.79
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Solution
The fourth proportional to 282,918,272.49, 390,284,355.51 and 165,366,803.79 is: 228,122,686.71
Step by Step Solution
- Step 1: Write the proportion equation
282,918,272.49 : 390,284,355.51 = 165,366,803.79 : x - Step 2: Convert to fraction form
282,918,272.49/390,284,355.51 = 165,366,803.79/x - Step 3: Cross multiply
282,918,272.49x = 390,284,355.51 × 165,366,803.79 - Step 4: Simplify right side
282,918,272.49x = 64,540,076,439,928,768 - Step 5: Solve for x
x = 64,540,076,439,928,768/282,918,272.49 - Step 6: Final answer
x = 228,122,686.71
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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.