Finding the Fourth Proportional to 1,316,473,767.75, 1,816,736,227.28 and 713,642,526.75
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Solution
The fourth proportional to 1,316,473,767.75, 1,816,736,227.28 and 713,642,526.75 is: 984,828,002.98
Step by Step Solution
- Step 1: Write the proportion equation
1,316,473,767.75 : 1,816,736,227.28 = 713,642,526.75 : x - Step 2: Convert to fraction form
1,316,473,767.75/1,816,736,227.28 = 713,642,526.75/x - Step 3: Cross multiply
1,316,473,767.75x = 1,816,736,227.28 × 713,642,526.75 - Step 4: Simplify right side
1,316,473,767.75x = 1,296,500,231,674,361,344 - Step 5: Solve for x
x = 1,296,500,231,674,361,344/1,316,473,767.75 - Step 6: Final answer
x = 984,828,002.98
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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.