Finding the Fourth Proportional to 2,219,047,539.31, 3,060,810,746.62 and 1,427,095,342.09
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Solution
The fourth proportional to 2,219,047,539.31, 3,060,810,746.62 and 1,427,095,342.09 is: 1,968,443,073.95
Step by Step Solution
- Step 1: Write the proportion equation
2,219,047,539.31 : 3,060,810,746.62 = 1,427,095,342.09 : x - Step 2: Convert to fraction form
2,219,047,539.31/3,060,810,746.62 = 1,427,095,342.09/x - Step 3: Cross multiply
2,219,047,539.31x = 3,060,810,746.62 × 1,427,095,342.09 - Step 4: Simplify right side
2,219,047,539.31x = 4,368,068,759,520,416,768 - Step 5: Solve for x
x = 4,368,068,759,520,416,768/2,219,047,539.31 - Step 6: Final answer
x = 1,968,443,073.95
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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.