Finding the Fourth Proportional to 367,121,010.24, 506,656,612.80 and 210,502,689.12
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Solution
The fourth proportional to 367,121,010.24, 506,656,612.80 and 210,502,689.12 is: 290,510,693.97
Step by Step Solution
- Step 1: Write the proportion equation
367,121,010.24 : 506,656,612.80 = 210,502,689.12 : x - Step 2: Convert to fraction form
367,121,010.24/506,656,612.80 = 210,502,689.12/x - Step 3: Cross multiply
367,121,010.24x = 506,656,612.80 × 210,502,689.12 - Step 4: Simplify right side
367,121,010.24x = 106,652,579,454,830,624 - Step 5: Solve for x
x = 106,652,579,454,830,624/367,121,010.24 - Step 6: Final answer
x = 290,510,693.97
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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.