Finding the Fourth Proportional to 1,269,689,572.71, 1,752,175,670.00 and 705,174,352.71
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Solution
The fourth proportional to 1,269,689,572.71, 1,752,175,670.00 and 705,174,352.71 is: 973,142,861.43
Step by Step Solution
- Step 1: Write the proportion equation
1,269,689,572.71 : 1,752,175,670.00 = 705,174,352.71 : x - Step 2: Convert to fraction form
1,269,689,572.71/1,752,175,670.00 = 705,174,352.71/x - Step 3: Cross multiply
1,269,689,572.71x = 1,752,175,670.00 × 705,174,352.71 - Step 4: Simplify right side
1,269,689,572.71x = 1,235,589,343,916,346,624 - Step 5: Solve for x
x = 1,235,589,343,916,346,624/1,269,689,572.71 - Step 6: Final answer
x = 973,142,861.43
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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.