Finding the Fourth Proportional to 473,115,520.84, 653,538,456.66 and 356,522,176.84
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Solution
The fourth proportional to 473,115,520.84, 653,538,456.66 and 356,522,176.84 is: 492,482,159.12
Step by Step Solution
- Step 1: Write the proportion equation
473,115,520.84 : 653,538,456.66 = 356,522,176.84 : x - Step 2: Convert to fraction form
473,115,520.84/653,538,456.66 = 356,522,176.84/x - Step 3: Cross multiply
473,115,520.84x = 653,538,456.66 × 356,522,176.84 - Step 4: Simplify right side
473,115,520.84x = 233,000,953,217,077,152 - Step 5: Solve for x
x = 233,000,953,217,077,152/473,115,520.84 - Step 6: Final answer
x = 492,482,159.12
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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.