Finding the Fourth Proportional to 343,633,631.36, 474,214,488.48 and 189,108,959.36
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Solution
The fourth proportional to 343,633,631.36, 474,214,488.48 and 189,108,959.36 is: 260,970,406.40
Step by Step Solution
- Step 1: Write the proportion equation
343,633,631.36 : 474,214,488.48 = 189,108,959.36 : x - Step 2: Convert to fraction form
343,633,631.36/474,214,488.48 = 189,108,959.36/x - Step 3: Cross multiply
343,633,631.36x = 474,214,488.48 × 189,108,959.36 - Step 4: Simplify right side
343,633,631.36x = 89,678,208,429,887,520 - Step 5: Solve for x
x = 89,678,208,429,887,520/343,633,631.36 - Step 6: Final answer
x = 260,970,406.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.