Finding the Fourth Proportional to 422,615,823.99, 633,626,710.16 and 186,153,143.94
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Solution
The fourth proportional to 422,615,823.99, 633,626,710.16 and 186,153,143.94 is: 279,098,882.45
Step by Step Solution
- Step 1: Write the proportion equation
422,615,823.99 : 633,626,710.16 = 186,153,143.94 : x - Step 2: Convert to fraction form
422,615,823.99/633,626,710.16 = 186,153,143.94/x - Step 3: Cross multiply
422,615,823.99x = 633,626,710.16 × 186,153,143.94 - Step 4: Simplify right side
422,615,823.99x = 117,951,604,179,712,368 - Step 5: Solve for x
x = 117,951,604,179,712,368/422,615,823.99 - Step 6: Final answer
x = 279,098,882.45
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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.