Finding the Fourth Proportional to 1,860,418,461.18, 2,791,036,307.26 and 550,218,366.94
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Solution
The fourth proportional to 1,860,418,461.18, 2,791,036,307.26 and 550,218,366.94 is: 825,448,398.35
Step by Step Solution
- Step 1: Write the proportion equation
1,860,418,461.18 : 2,791,036,307.26 = 550,218,366.94 : x - Step 2: Convert to fraction form
1,860,418,461.18/2,791,036,307.26 = 550,218,366.94/x - Step 3: Cross multiply
1,860,418,461.18x = 2,791,036,307.26 × 550,218,366.94 - Step 4: Simplify right side
1,860,418,461.18x = 1,535,679,439,050,845,440 - Step 5: Solve for x
x = 1,535,679,439,050,845,440/1,860,418,461.18 - Step 6: Final answer
x = 825,448,398.35
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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.