Finding the Fourth Proportional to 750,980,683.86, 1,036,333,706.04 and 416,452,354.08
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Solution
The fourth proportional to 750,980,683.86, 1,036,333,706.04 and 416,452,354.08 is: 574,693,358.66
Step by Step Solution
- Step 1: Write the proportion equation
750,980,683.86 : 1,036,333,706.04 = 416,452,354.08 : x - Step 2: Convert to fraction form
750,980,683.86/1,036,333,706.04 = 416,452,354.08/x - Step 3: Cross multiply
750,980,683.86x = 1,036,333,706.04 × 416,452,354.08 - Step 4: Simplify right side
750,980,683.86x = 431,583,611,492,808,704 - Step 5: Solve for x
x = 431,583,611,492,808,704/750,980,683.86 - Step 6: Final answer
x = 574,693,358.66
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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.