Finding the Fourth Proportional to 1,107,345,041.70, 1,660,804,986.15 and 331,016,028.90
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Solution
The fourth proportional to 1,107,345,041.70, 1,660,804,986.15 and 331,016,028.90 is: 496,460,498.39
Step by Step Solution
- Step 1: Write the proportion equation
1,107,345,041.70 : 1,660,804,986.15 = 331,016,028.90 : x - Step 2: Convert to fraction form
1,107,345,041.70/1,660,804,986.15 = 331,016,028.90/x - Step 3: Cross multiply
1,107,345,041.70x = 1,660,804,986.15 × 331,016,028.90 - Step 4: Simplify right side
1,107,345,041.70x = 549,753,071,292,692,480 - Step 5: Solve for x
x = 549,753,071,292,692,480/1,107,345,041.70 - Step 6: Final answer
x = 496,460,498.39
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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.