Finding the Fourth Proportional to 1,292,858,258.84, 1,939,559,750.08 and 419,391,424.88
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Solution
The fourth proportional to 1,292,858,258.84, 1,939,559,750.08 and 419,391,424.88 is: 629,175,489.00
Step by Step Solution
- Step 1: Write the proportion equation
1,292,858,258.84 : 1,939,559,750.08 = 419,391,424.88 : x - Step 2: Convert to fraction form
1,292,858,258.84/1,939,559,750.08 = 419,391,424.88/x - Step 3: Cross multiply
1,292,858,258.84x = 1,939,559,750.08 × 419,391,424.88 - Step 4: Simplify right side
1,292,858,258.84x = 813,434,727,216,250,112 - Step 5: Solve for x
x = 813,434,727,216,250,112/1,292,858,258.84 - Step 6: Final answer
x = 629,175,489.00
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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.