Finding the Fourth Proportional to 424,255,277.12, 636,409,813.75 and 133,133,889.92
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Solution
The fourth proportional to 424,255,277.12, 636,409,813.75 and 133,133,889.92 is: 199,709,275.65
Step by Step Solution
- Step 1: Write the proportion equation
424,255,277.12 : 636,409,813.75 = 133,133,889.92 : x - Step 2: Convert to fraction form
424,255,277.12/636,409,813.75 = 133,133,889.92/x - Step 3: Cross multiply
424,255,277.12x = 636,409,813.75 × 133,133,889.92 - Step 4: Simplify right side
424,255,277.12x = 84,727,714,084,285,312 - Step 5: Solve for x
x = 84,727,714,084,285,312/424,255,277.12 - Step 6: Final answer
x = 199,709,275.65
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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.