Finding the Fourth Proportional to 2,681,425,871.44, 4,022,717,731.98 and 816,217,421.02
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Solution
The fourth proportional to 2,681,425,871.44, 4,022,717,731.98 and 816,217,421.02 is: 1,224,502,354.39
Step by Step Solution
- Step 1: Write the proportion equation
2,681,425,871.44 : 4,022,717,731.98 = 816,217,421.02 : x - Step 2: Convert to fraction form
2,681,425,871.44/4,022,717,731.98 = 816,217,421.02/x - Step 3: Cross multiply
2,681,425,871.44x = 4,022,717,731.98 × 816,217,421.02 - Step 4: Simplify right side
2,681,425,871.44x = 3,283,412,292,688,139,264 - Step 5: Solve for x
x = 3,283,412,292,688,139,264/2,681,425,871.44 - Step 6: Final answer
x = 1,224,502,354.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.