Finding the Fourth Proportional to 236,413,657.65, 354,620,486.49 and 145,714,393.65
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Solution
The fourth proportional to 236,413,657.65, 354,620,486.49 and 145,714,393.65 is: 218,571,590.48
Step by Step Solution
- Step 1: Write the proportion equation
236,413,657.65 : 354,620,486.49 = 145,714,393.65 : x - Step 2: Convert to fraction form
236,413,657.65/354,620,486.49 = 145,714,393.65/x - Step 3: Cross multiply
236,413,657.65x = 354,620,486.49 × 145,714,393.65 - Step 4: Simplify right side
236,413,657.65x = 51,673,309,164,758,368 - Step 5: Solve for x
x = 51,673,309,164,758,368/236,413,657.65 - Step 6: Final answer
x = 218,571,590.48
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1.5x scale
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.