Finding the Fourth Proportional to 5,009,516,611.86, 6,913,267,925.97 and 2,947,353,518.64
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Solution
The fourth proportional to 5,009,516,611.86, 6,913,267,925.97 and 2,947,353,518.64 is: 4,067,427,284.04
Step by Step Solution
- Step 1: Write the proportion equation
5,009,516,611.86 : 6,913,267,925.97 = 2,947,353,518.64 : x - Step 2: Convert to fraction form
5,009,516,611.86/6,913,267,925.97 = 2,947,353,518.64/x - Step 3: Cross multiply
5,009,516,611.86x = 6,913,267,925.97 × 2,947,353,518.64 - Step 4: Simplify right side
5,009,516,611.86x = 20,375,844,546,908,733,440 - Step 5: Solve for x
x = 20,375,844,546,908,733,440/5,009,516,611.86 - Step 6: Final answer
x = 4,067,427,284.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.