Finding the Fourth Proportional to 432,837,766.64, 649,266,102.12 and 260,458,776.56
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Solution
The fourth proportional to 432,837,766.64, 649,266,102.12 and 260,458,776.56 is: 390,693,852.65
Step by Step Solution
- Step 1: Write the proportion equation
432,837,766.64 : 649,266,102.12 = 260,458,776.56 : x - Step 2: Convert to fraction form
432,837,766.64/649,266,102.12 = 260,458,776.56/x - Step 3: Cross multiply
432,837,766.64x = 649,266,102.12 × 260,458,776.56 - Step 4: Simplify right side
432,837,766.64x = 169,107,054,620,055,232 - Step 5: Solve for x
x = 169,107,054,620,055,232/432,837,766.64 - Step 6: Final answer
x = 390,693,852.65
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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.