Finding the Fourth Proportional to 485,579,082.69, 728,607,777.95 and 226,756,686.87
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Solution
The fourth proportional to 485,579,082.69, 728,607,777.95 and 226,756,686.87 is: 340,246,710.88
Step by Step Solution
- Step 1: Write the proportion equation
485,579,082.69 : 728,607,777.95 = 226,756,686.87 : x - Step 2: Convert to fraction form
485,579,082.69/728,607,777.95 = 226,756,686.87/x - Step 3: Cross multiply
485,579,082.69x = 728,607,777.95 × 226,756,686.87 - Step 4: Simplify right side
485,579,082.69x = 165,216,685,756,221,536 - Step 5: Solve for x
x = 165,216,685,756,221,536/485,579,082.69 - Step 6: Final answer
x = 340,246,710.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.