Finding the Fourth Proportional to 472,397,971.80, 708,384,381.30 and 181,168,303.80
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Solution
The fourth proportional to 472,397,971.80, 708,384,381.30 and 181,168,303.80 is: 271,670,930.99
Step by Step Solution
- Step 1: Write the proportion equation
472,397,971.80 : 708,384,381.30 = 181,168,303.80 : x - Step 2: Convert to fraction form
472,397,971.80/708,384,381.30 = 181,168,303.80/x - Step 3: Cross multiply
472,397,971.80x = 708,384,381.30 × 181,168,303.80 - Step 4: Simplify right side
472,397,971.80x = 128,336,796,798,533,440 - Step 5: Solve for x
x = 128,336,796,798,533,440/472,397,971.80 - Step 6: Final answer
x = 271,670,930.99
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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.