Finding the Fourth Proportional to 1,477,307,336.84, 2,216,571,440.70 and 647,831,774.60
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Solution
The fourth proportional to 1,477,307,336.84, 2,216,571,440.70 and 647,831,774.60 is: 972,015,351.27
Step by Step Solution
- Step 1: Write the proportion equation
1,477,307,336.84 : 2,216,571,440.70 = 647,831,774.60 : x - Step 2: Convert to fraction form
1,477,307,336.84/2,216,571,440.70 = 647,831,774.60/x - Step 3: Cross multiply
1,477,307,336.84x = 2,216,571,440.70 × 647,831,774.60 - Step 4: Simplify right side
1,477,307,336.84x = 1,435,965,409,956,359,680 - Step 5: Solve for x
x = 1,435,965,409,956,359,680/1,477,307,336.84 - Step 6: Final answer
x = 972,015,351.27
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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.