Finding the Fourth Proportional to 488,767,731.18, 674,494,726.68 and 265,749,409.68
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Solution
The fourth proportional to 488,767,731.18, 674,494,726.68 and 265,749,409.68 is: 366,731,606.88
Step by Step Solution
- Step 1: Write the proportion equation
488,767,731.18 : 674,494,726.68 = 265,749,409.68 : x - Step 2: Convert to fraction form
488,767,731.18/674,494,726.68 = 265,749,409.68/x - Step 3: Cross multiply
488,767,731.18x = 674,494,726.68 × 265,749,409.68 - Step 4: Simplify right side
488,767,731.18x = 179,246,575,447,482,944 - Step 5: Solve for x
x = 179,246,575,447,482,944/488,767,731.18 - Step 6: Final answer
x = 366,731,606.88
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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.