Finding the Fourth Proportional to 1,294,765,277.60, 1,941,312,886.90 and 507,898,436.99
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Solution
The fourth proportional to 1,294,765,277.60, 1,941,312,886.90 and 507,898,436.99 is: 761,520,097.90
Step by Step Solution
- Step 1: Write the proportion equation
1,294,765,277.60 : 1,941,312,886.90 = 507,898,436.99 : x - Step 2: Convert to fraction form
1,294,765,277.60/1,941,312,886.90 = 507,898,436.99/x - Step 3: Cross multiply
1,294,765,277.60x = 1,941,312,886.90 × 507,898,436.99 - Step 4: Simplify right side
1,294,765,277.60x = 985,989,780,954,078,336 - Step 5: Solve for x
x = 985,989,780,954,078,336/1,294,765,277.60 - Step 6: Final answer
x = 761,520,097.90
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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.