Finding the Fourth Proportional to 835,009,507.84, 1,252,018,076.16 and 317,477,831.68
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Solution
The fourth proportional to 835,009,507.84, 1,252,018,076.16 and 317,477,831.68 is: 476,028,093.47
Step by Step Solution
- Step 1: Write the proportion equation
835,009,507.84 : 1,252,018,076.16 = 317,477,831.68 : x - Step 2: Convert to fraction form
835,009,507.84/1,252,018,076.16 = 317,477,831.68/x - Step 3: Cross multiply
835,009,507.84x = 1,252,018,076.16 × 317,477,831.68 - Step 4: Simplify right side
835,009,507.84x = 397,487,984,043,441,920 - Step 5: Solve for x
x = 397,487,984,043,441,920/835,009,507.84 - Step 6: Final answer
x = 476,028,093.47
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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.