Finding the Fourth Proportional to 427,674,479.58, 590,190,781.86 and 232,104,191.58
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Solution
The fourth proportional to 427,674,479.58, 590,190,781.86 and 232,104,191.58 is: 320,303,784.40
Step by Step Solution
- Step 1: Write the proportion equation
427,674,479.58 : 590,190,781.86 = 232,104,191.58 : x - Step 2: Convert to fraction form
427,674,479.58/590,190,781.86 = 232,104,191.58/x - Step 3: Cross multiply
427,674,479.58x = 590,190,781.86 × 232,104,191.58 - Step 4: Simplify right side
427,674,479.58x = 136,985,754,301,583,440 - Step 5: Solve for x
x = 136,985,754,301,583,440/427,674,479.58 - Step 6: Final answer
x = 320,303,784.40
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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.