Finding the Fourth Proportional to 432,412,956.84, 596,726,909.10 and 234,169,915.08
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Solution
The fourth proportional to 432,412,956.84, 596,726,909.10 and 234,169,915.08 is: 323,152,873.70
Step by Step Solution
- Step 1: Write the proportion equation
432,412,956.84 : 596,726,909.10 = 234,169,915.08 : x - Step 2: Convert to fraction form
432,412,956.84/596,726,909.10 = 234,169,915.08/x - Step 3: Cross multiply
432,412,956.84x = 596,726,909.10 × 234,169,915.08 - Step 4: Simplify right side
432,412,956.84x = 139,735,489,629,897,888 - Step 5: Solve for x
x = 139,735,489,629,897,888/432,412,956.84 - Step 6: Final answer
x = 323,152,873.70
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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.