Finding the Fourth Proportional to 4,114,240,579.98, 5,677,555,428.90 and 2,420,804,909.88
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Solution
The fourth proportional to 4,114,240,579.98, 5,677,555,428.90 and 2,420,804,909.88 is: 3,340,653,953.31
Step by Step Solution
- Step 1: Write the proportion equation
4,114,240,579.98 : 5,677,555,428.90 = 2,420,804,909.88 : x - Step 2: Convert to fraction form
4,114,240,579.98/5,677,555,428.90 = 2,420,804,909.88/x - Step 3: Cross multiply
4,114,240,579.98x = 5,677,555,428.90 × 2,420,804,909.88 - Step 4: Simplify right side
4,114,240,579.98x = 13,744,254,058,396,968,960 - Step 5: Solve for x
x = 13,744,254,058,396,968,960/4,114,240,579.98 - Step 6: Final answer
x = 3,340,653,953.31
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1.5x scale
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.