Finding the Fourth Proportional to 417,720,320.64, 576,328,334.36 and 250,395,530.13
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Solution
The fourth proportional to 417,720,320.64, 576,328,334.36 and 250,395,530.13 is: 345,470,477.92
Step by Step Solution
- Step 1: Write the proportion equation
417,720,320.64 : 576,328,334.36 = 250,395,530.13 : x - Step 2: Convert to fraction form
417,720,320.64/576,328,334.36 = 250,395,530.13/x - Step 3: Cross multiply
417,720,320.64x = 576,328,334.36 × 250,395,530.13 - Step 4: Simplify right side
417,720,320.64x = 144,310,038,809,760,128 - Step 5: Solve for x
x = 144,310,038,809,760,128/417,720,320.64 - Step 6: Final answer
x = 345,470,477.92
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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.