Finding the Fourth Proportional to 473,115,519.84, 653,538,455.28 and 356,522,175.84
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Solution
The fourth proportional to 473,115,519.84, 653,538,455.28 and 356,522,175.84 is: 492,482,157.74
Step by Step Solution
- Step 1: Write the proportion equation
473,115,519.84 : 653,538,455.28 = 356,522,175.84 : x - Step 2: Convert to fraction form
473,115,519.84/653,538,455.28 = 356,522,175.84/x - Step 3: Cross multiply
473,115,519.84x = 653,538,455.28 × 356,522,175.84 - Step 4: Simplify right side
473,115,519.84x = 233,000,952,071,538,112 - Step 5: Solve for x
x = 233,000,952,071,538,112/473,115,519.84 - Step 6: Final answer
x = 492,482,157.74
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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.