Finding the Fourth Proportional to 1,583,908,389.79, 2,375,953,378.61 and 419,346,619.79
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Solution
The fourth proportional to 1,583,908,389.79, 2,375,953,378.61 and 419,346,619.79 is: 629,043,967.76
Step by Step Solution
- Step 1: Write the proportion equation
1,583,908,389.79 : 2,375,953,378.61 = 419,346,619.79 : x - Step 2: Convert to fraction form
1,583,908,389.79/2,375,953,378.61 = 419,346,619.79/x - Step 3: Cross multiply
1,583,908,389.79x = 2,375,953,378.61 × 419,346,619.79 - Step 4: Simplify right side
1,583,908,389.79x = 996,348,018,084,757,120 - Step 5: Solve for x
x = 996,348,018,084,757,120/1,583,908,389.79 - Step 6: Final answer
x = 629,043,967.76
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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.