Finding the Fourth Proportional to 1,175,829,812.64, 1,622,539,674 and 680,825,930.40
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Solution
The fourth proportional to 1,175,829,812.64, 1,622,539,674 and 680,825,930.40 is: 939,478,716.47
Step by Step Solution
- Step 1: Write the proportion equation
1,175,829,812.64 : 1,622,539,674 = 680,825,930.40 : x - Step 2: Convert to fraction form
1,175,829,812.64/1,622,539,674 = 680,825,930.40/x - Step 3: Cross multiply
1,175,829,812.64x = 1,622,539,674 × 680,825,930.40 - Step 4: Simplify right side
1,175,829,812.64x = 1,104,667,083,161,962,624 - Step 5: Solve for x
x = 1,104,667,083,161,962,624/1,175,829,812.64 - Step 6: Final answer
x = 939,478,716.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.