Finding the Fourth Proportional to 236,409,163,772.36, 326,244,960,620.80 and 128,022,447,966.83
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Solution
The fourth proportional to 236,409,163,772.36, 326,244,960,620.80 and 128,022,447,966.83 is: 176,671,148,567.38
Step by Step Solution
- Step 1: Write the proportion equation
236,409,163,772.36 : 326,244,960,620.80 = 128,022,447,966.83 : x - Step 2: Convert to fraction form
236,409,163,772.36/326,244,960,620.80 = 128,022,447,966.83/x - Step 3: Cross multiply
236,409,163,772.36x = 326,244,960,620.80 × 128,022,447,966.83 - Step 4: Simplify right side
236,409,163,772.36x = 41,766,678,495,516,868,739,072 - Step 5: Solve for x
x = 41,766,678,495,516,868,739,072/236,409,163,772.36 - Step 6: Final answer
x = 176,671,148,567.38
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1.5x scale
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.