Finding the Fourth Proportional to 1,347,226,090.70, 2,020,839,136.05 and 657,575,761.10
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Solution
The fourth proportional to 1,347,226,090.70, 2,020,839,136.05 and 657,575,761.10 is: 986,363,641.65
Step by Step Solution
- Step 1: Write the proportion equation
1,347,226,090.70 : 2,020,839,136.05 = 657,575,761.10 : x - Step 2: Convert to fraction form
1,347,226,090.70/2,020,839,136.05 = 657,575,761.10/x - Step 3: Cross multiply
1,347,226,090.70x = 2,020,839,136.05 × 657,575,761.10 - Step 4: Simplify right side
1,347,226,090.70x = 1,328,854,832,948,745,216 - Step 5: Solve for x
x = 1,328,854,832,948,745,216/1,347,226,090.70 - Step 6: Final answer
x = 986,363,641.65
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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.