Finding the Fourth Proportional to 3,068,995,249.64, 4,235,205,478.50 and 1,712,614,929.96
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Solution
The fourth proportional to 3,068,995,249.64, 4,235,205,478.50 and 1,712,614,929.96 is: 2,363,404,158.02
Step by Step Solution
- Step 1: Write the proportion equation
3,068,995,249.64 : 4,235,205,478.50 = 1,712,614,929.96 : x - Step 2: Convert to fraction form
3,068,995,249.64/4,235,205,478.50 = 1,712,614,929.96/x - Step 3: Cross multiply
3,068,995,249.64x = 4,235,205,478.50 × 1,712,614,929.96 - Step 4: Simplify right side
3,068,995,249.64x = 7,253,276,133,927,485,440 - Step 5: Solve for x
x = 7,253,276,133,927,485,440/3,068,995,249.64 - Step 6: Final answer
x = 2,363,404,158.02
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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.