Finding the Fourth Proportional to 560,057,430.36, 772,879,393.98 and 309,161,967.96
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Solution
The fourth proportional to 560,057,430.36, 772,879,393.98 and 309,161,967.96 is: 426,643,593.11
Step by Step Solution
- Step 1: Write the proportion equation
560,057,430.36 : 772,879,393.98 = 309,161,967.96 : x - Step 2: Convert to fraction form
560,057,430.36/772,879,393.98 = 309,161,967.96/x - Step 3: Cross multiply
560,057,430.36x = 772,879,393.98 × 309,161,967.96 - Step 4: Simplify right side
560,057,430.36x = 238,944,914,438,588,960 - Step 5: Solve for x
x = 238,944,914,438,588,960/560,057,430.36 - Step 6: Final answer
x = 426,643,593.11
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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.