Finding the Fourth Proportional to 1,548,339,689.60, 2,319,324,484.80 and 782,866,102.40
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Solution
The fourth proportional to 1,548,339,689.60, 2,319,324,484.80 and 782,866,102.40 is: 1,172,688,739.95
Step by Step Solution
- Step 1: Write the proportion equation
1,548,339,689.60 : 2,319,324,484.80 = 782,866,102.40 : x - Step 2: Convert to fraction form
1,548,339,689.60/2,319,324,484.80 = 782,866,102.40/x - Step 3: Cross multiply
1,548,339,689.60x = 2,319,324,484.80 × 782,866,102.40 - Step 4: Simplify right side
1,548,339,689.60x = 1,815,720,519,616,264,192 - Step 5: Solve for x
x = 1,815,720,519,616,264,192/1,548,339,689.60 - Step 6: Final answer
x = 1,172,688,739.95
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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.