Finding the Fourth Proportional to 329,832,671.28, 494,730,811.08 and 135,694,955.76
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Solution
The fourth proportional to 329,832,671.28, 494,730,811.08 and 135,694,955.76 is: 203,534,947.77
Step by Step Solution
- Step 1: Write the proportion equation
329,832,671.28 : 494,730,811.08 = 135,694,955.76 : x - Step 2: Convert to fraction form
329,832,671.28/494,730,811.08 = 135,694,955.76/x - Step 3: Cross multiply
329,832,671.28x = 494,730,811.08 × 135,694,955.76 - Step 4: Simplify right side
329,832,671.28x = 67,132,475,522,609,512 - Step 5: Solve for x
x = 67,132,475,522,609,512/329,832,671.28 - Step 6: Final answer
x = 203,534,947.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.