Finding the Fourth Proportional to 2,740,375,149.49, 3,781,721,439.21 and 1,487,312,021.53
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Solution
The fourth proportional to 2,740,375,149.49, 3,781,721,439.21 and 1,487,312,021.53 is: 2,052,492,615.71
Step by Step Solution
- Step 1: Write the proportion equation
2,740,375,149.49 : 3,781,721,439.21 = 1,487,312,021.53 : x - Step 2: Convert to fraction form
2,740,375,149.49/3,781,721,439.21 = 1,487,312,021.53/x - Step 3: Cross multiply
2,740,375,149.49x = 3,781,721,439.21 × 1,487,312,021.53 - Step 4: Simplify right side
2,740,375,149.49x = 5,624,599,758,614,765,568 - Step 5: Solve for x
x = 5,624,599,758,614,765,568/2,740,375,149.49 - Step 6: Final answer
x = 2,052,492,615.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.