Finding the Fourth Proportional to 1,860,418,460.18, 2,791,036,305.76 and 550,218,365.94
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Solution
The fourth proportional to 1,860,418,460.18, 2,791,036,305.76 and 550,218,365.94 is: 825,448,396.85
Step by Step Solution
- Step 1: Write the proportion equation
1,860,418,460.18 : 2,791,036,305.76 = 550,218,365.94 : x - Step 2: Convert to fraction form
1,860,418,460.18/2,791,036,305.76 = 550,218,365.94/x - Step 3: Cross multiply
1,860,418,460.18x = 2,791,036,305.76 × 550,218,365.94 - Step 4: Simplify right side
1,860,418,460.18x = 1,535,679,435,434,481,664 - Step 5: Solve for x
x = 1,535,679,435,434,481,664/1,860,418,460.18 - Step 6: Final answer
x = 825,448,396.85
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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.