Finding the Fourth Proportional to 239,399,288,714.29, 330,370,804,985.76 and 135,134,696,465.55
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Solution
The fourth proportional to 239,399,288,714.29, 330,370,804,985.76 and 135,134,696,465.55 is: 186,485,760,641.13
Step by Step Solution
- Step 1: Write the proportion equation
239,399,288,714.29 : 330,370,804,985.76 = 135,134,696,465.55 : x - Step 2: Convert to fraction form
239,399,288,714.29/330,370,804,985.76 = 135,134,696,465.55/x - Step 3: Cross multiply
239,399,288,714.29x = 330,370,804,985.76 × 135,134,696,465.55 - Step 4: Simplify right side
239,399,288,714.29x = 44,644,558,452,830,091,870,208 - Step 5: Solve for x
x = 44,644,558,452,830,091,870,208/239,399,288,714.29 - Step 6: Final answer
x = 186,485,760,641.13
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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.