Finding the Fourth Proportional to 1,782,590,534.70, 2,671,618,320.45 and 860,481,350.70
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Solution
The fourth proportional to 1,782,590,534.70, 2,671,618,320.45 and 860,481,350.70 is: 1,289,627,481.01
Step by Step Solution
- Step 1: Write the proportion equation
1,782,590,534.70 : 2,671,618,320.45 = 860,481,350.70 : x - Step 2: Convert to fraction form
1,782,590,534.70/2,671,618,320.45 = 860,481,350.70/x - Step 3: Cross multiply
1,782,590,534.70x = 2,671,618,320.45 × 860,481,350.70 - Step 4: Simplify right side
1,782,590,534.70x = 2,298,877,740,935,681,280 - Step 5: Solve for x
x = 2,298,877,740,935,681,280/1,782,590,534.70 - Step 6: Final answer
x = 1,289,627,481.01
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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.