Finding the Fourth Proportional to 2,657,169,950.40, 3,985,754,925.60 and 1,276,651,569.60
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Solution
The fourth proportional to 2,657,169,950.40, 3,985,754,925.60 and 1,276,651,569.60 is: 1,914,977,354.40
Step by Step Solution
- Step 1: Write the proportion equation
2,657,169,950.40 : 3,985,754,925.60 = 1,276,651,569.60 : x - Step 2: Convert to fraction form
2,657,169,950.40/3,985,754,925.60 = 1,276,651,569.60/x - Step 3: Cross multiply
2,657,169,950.40x = 3,985,754,925.60 × 1,276,651,569.60 - Step 4: Simplify right side
2,657,169,950.40x = 5,088,420,281,808,171,008 - Step 5: Solve for x
x = 5,088,420,281,808,171,008/2,657,169,950.40 - Step 6: Final answer
x = 1,914,977,354.40
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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.