Finding the Fourth Proportional to 1,705,990,403.74, 2,559,929,864.76 and 832,599,006.70
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Solution
The fourth proportional to 1,705,990,403.74, 2,559,929,864.76 and 832,599,006.70 is: 1,249,359,350.41
Step by Step Solution
- Step 1: Write the proportion equation
1,705,990,403.74 : 2,559,929,864.76 = 832,599,006.70 : x - Step 2: Convert to fraction form
1,705,990,403.74/2,559,929,864.76 = 832,599,006.70/x - Step 3: Cross multiply
1,705,990,403.74x = 2,559,929,864.76 × 832,599,006.70 - Step 4: Simplify right side
1,705,990,403.74x = 2,131,395,062,620,841,728 - Step 5: Solve for x
x = 2,131,395,062,620,841,728/1,705,990,403.74 - Step 6: Final answer
x = 1,249,359,350.41
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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.