Finding the Fourth Proportional to 1,403,776,169.70, 2,102,322,088.44 and 812,319,583.14
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Solution
The fourth proportional to 1,403,776,169.70, 2,102,322,088.44 and 812,319,583.14 is: 1,216,545,371.95
Step by Step Solution
- Step 1: Write the proportion equation
1,403,776,169.70 : 2,102,322,088.44 = 812,319,583.14 : x - Step 2: Convert to fraction form
1,403,776,169.70/2,102,322,088.44 = 812,319,583.14/x - Step 3: Cross multiply
1,403,776,169.70x = 2,102,322,088.44 × 812,319,583.14 - Step 4: Simplify right side
1,403,776,169.70x = 1,707,757,402,507,595,008 - Step 5: Solve for x
x = 1,707,757,402,507,595,008/1,403,776,169.70 - Step 6: Final answer
x = 1,216,545,371.95
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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.