Finding the Fourth Proportional to 8,384,257,689.60, 12,576,386,534.40 and 2,862,688,051.20
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Solution
The fourth proportional to 8,384,257,689.60, 12,576,386,534.40 and 2,862,688,051.20 is: 4,294,032,076.80
Step by Step Solution
- Step 1: Write the proportion equation
8,384,257,689.60 : 12,576,386,534.40 = 2,862,688,051.20 : x - Step 2: Convert to fraction form
8,384,257,689.60/12,576,386,534.40 = 2,862,688,051.20/x - Step 3: Cross multiply
8,384,257,689.60x = 12,576,386,534.40 × 2,862,688,051.20 - Step 4: Simplify right side
8,384,257,689.60x = 36,002,271,459,299,454,976 - Step 5: Solve for x
x = 36,002,271,459,299,454,976/8,384,257,689.60 - Step 6: Final answer
x = 4,294,032,076.80
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1.5x scale
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.