Finding the Fourth Proportional to 684,240,868.33, 944,272,317.94 and 386,876,726.08
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Solution
The fourth proportional to 684,240,868.33, 944,272,317.94 and 386,876,726.08 is: 533,901,144.76
Step by Step Solution
- Step 1: Write the proportion equation
684,240,868.33 : 944,272,317.94 = 386,876,726.08 : x - Step 2: Convert to fraction form
684,240,868.33/944,272,317.94 = 386,876,726.08/x - Step 3: Cross multiply
684,240,868.33x = 944,272,317.94 × 386,876,726.08 - Step 4: Simplify right side
684,240,868.33x = 365,316,982,889,272,192 - Step 5: Solve for x
x = 365,316,982,889,272,192/684,240,868.33 - Step 6: Final answer
x = 533,901,144.76
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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.