Finding the Fourth Proportional to 1,398,668,344.18, 2,096,968,223.70 and 845,847,871.03
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Solution
The fourth proportional to 1,398,668,344.18, 2,096,968,223.70 and 845,847,871.03 is: 1,268,146,315.75
Step by Step Solution
- Step 1: Write the proportion equation
1,398,668,344.18 : 2,096,968,223.70 = 845,847,871.03 : x - Step 2: Convert to fraction form
1,398,668,344.18/2,096,968,223.70 = 845,847,871.03/x - Step 3: Cross multiply
1,398,668,344.18x = 2,096,968,223.70 × 845,847,871.03 - Step 4: Simplify right side
1,398,668,344.18x = 1,773,716,107,623,720,960 - Step 5: Solve for x
x = 1,773,716,107,623,720,960/1,398,668,344.18 - Step 6: Final answer
x = 1,268,146,315.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.