Finding the Fourth Proportional to 540,160,094.75, 745,424,509.12 and 292,641,449.00
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Solution
The fourth proportional to 540,160,094.75, 745,424,509.12 and 292,641,449.00 is: 403,847,138.26
Step by Step Solution
- Step 1: Write the proportion equation
540,160,094.75 : 745,424,509.12 = 292,641,449.00 : x - Step 2: Convert to fraction form
540,160,094.75/745,424,509.12 = 292,641,449.00/x - Step 3: Cross multiply
540,160,094.75x = 745,424,509.12 × 292,641,449.00 - Step 4: Simplify right side
540,160,094.75x = 218,142,108,464,531,776 - Step 5: Solve for x
x = 218,142,108,464,531,776/540,160,094.75 - Step 6: Final answer
x = 403,847,138.26
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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.