Finding the Fourth Proportional to 658,875,253.12, 908,420,552.01 and 482,356,794.15
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Solution
The fourth proportional to 658,875,253.12, 908,420,552.01 and 482,356,794.15 is: 665,046,718.84
Step by Step Solution
- Step 1: Write the proportion equation
658,875,253.12 : 908,420,552.01 = 482,356,794.15 : x - Step 2: Convert to fraction form
658,875,253.12/908,420,552.01 = 482,356,794.15/x - Step 3: Cross multiply
658,875,253.12x = 908,420,552.01 × 482,356,794.15 - Step 4: Simplify right side
658,875,253.12x = 438,182,825,207,516,928 - Step 5: Solve for x
x = 438,182,825,207,516,928/658,875,253.12 - Step 6: Final answer
x = 665,046,718.84
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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.