Finding the Fourth Proportional to 651,965,968.26, 899,631,374.81 and 440,732,401.07
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Solution
The fourth proportional to 651,965,968.26, 899,631,374.81 and 440,732,401.07 is: 608,155,509.94
Step by Step Solution
- Step 1: Write the proportion equation
651,965,968.26 : 899,631,374.81 = 440,732,401.07 : x - Step 2: Convert to fraction form
651,965,968.26/899,631,374.81 = 440,732,401.07/x - Step 3: Cross multiply
651,965,968.26x = 899,631,374.81 × 440,732,401.07 - Step 4: Simplify right side
651,965,968.26x = 396,496,695,891,214,592 - Step 5: Solve for x
x = 396,496,695,891,214,592/651,965,968.26 - Step 6: Final answer
x = 608,155,509.94
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1.5x scale
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.