Finding the Fourth Proportional to 238,464,497.80, 357,696,746.70 and 238,464,497.80
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Solution
The fourth proportional to 238,464,497.80, 357,696,746.70 and 238,464,497.80 is: 357,696,746.70
Step by Step Solution
- Step 1: Write the proportion equation
238,464,497.80 : 357,696,746.70 = 238,464,497.80 : x - Step 2: Convert to fraction form
238,464,497.80/357,696,746.70 = 238,464,497.80/x - Step 3: Cross multiply
238,464,497.80x = 357,696,746.70 × 238,464,497.80 - Step 4: Simplify right side
238,464,497.80x = 85,297,975,066,509,312 - Step 5: Solve for x
x = 85,297,975,066,509,312/238,464,497.80 - Step 6: Final answer
x = 357,696,746.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.