Finding the Fourth Proportional to 468,942,405.84, 646,717,123.08 and 292,746,643.92
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Solution
The fourth proportional to 468,942,405.84, 646,717,123.08 and 292,746,643.92 is: 403,726,054.61
Step by Step Solution
- Step 1: Write the proportion equation
468,942,405.84 : 646,717,123.08 = 292,746,643.92 : x - Step 2: Convert to fraction form
468,942,405.84/646,717,123.08 = 292,746,643.92/x - Step 3: Cross multiply
468,942,405.84x = 646,717,123.08 × 292,746,643.92 - Step 4: Simplify right side
468,942,405.84x = 189,324,267,347,267,584 - Step 5: Solve for x
x = 189,324,267,347,267,584/468,942,405.84 - Step 6: Final answer
x = 403,726,054.61
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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.