Finding the Fourth Proportional to 1,766,234,805.99, 2,437,420,376.67 and 973,309,159.88
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Solution
The fourth proportional to 1,766,234,805.99, 2,437,420,376.67 and 973,309,159.88 is: 1,343,175,647.45
Step by Step Solution
- Step 1: Write the proportion equation
1,766,234,805.99 : 2,437,420,376.67 = 973,309,159.88 : x - Step 2: Convert to fraction form
1,766,234,805.99/2,437,420,376.67 = 973,309,159.88/x - Step 3: Cross multiply
1,766,234,805.99x = 2,437,420,376.67 × 973,309,159.88 - Step 4: Simplify right side
1,766,234,805.99x = 2,372,363,579,078,883,840 - Step 5: Solve for x
x = 2,372,363,579,078,883,840/1,766,234,805.99 - Step 6: Final answer
x = 1,343,175,647.45
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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.