Finding the Fourth Proportional to 1,207,894,374.02, 1,666,699,782.44 and 679,226,839.94
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Solution
The fourth proportional to 1,207,894,374.02, 1,666,699,782.44 and 679,226,839.94 is: 937,223,693.31
Step by Step Solution
- Step 1: Write the proportion equation
1,207,894,374.02 : 1,666,699,782.44 = 679,226,839.94 : x - Step 2: Convert to fraction form
1,207,894,374.02/1,666,699,782.44 = 679,226,839.94/x - Step 3: Cross multiply
1,207,894,374.02x = 1,666,699,782.44 × 679,226,839.94 - Step 4: Simplify right side
1,207,894,374.02x = 1,132,067,226,343,676,928 - Step 5: Solve for x
x = 1,132,067,226,343,676,928/1,207,894,374.02 - Step 6: Final answer
x = 937,223,693.31
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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.