Finding the Fourth Proportional to 651,611,117.40, 977,440,295.70 and 191,595,787.80
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Solution
The fourth proportional to 651,611,117.40, 977,440,295.70 and 191,595,787.80 is: 287,400,626.66
Step by Step Solution
- Step 1: Write the proportion equation
651,611,117.40 : 977,440,295.70 = 191,595,787.80 : x - Step 2: Convert to fraction form
651,611,117.40/977,440,295.70 = 191,595,787.80/x - Step 3: Cross multiply
651,611,117.40x = 977,440,295.70 × 191,595,787.80 - Step 4: Simplify right side
651,611,117.40x = 187,273,443,482,106,464 - Step 5: Solve for x
x = 187,273,443,482,106,464/651,611,117.40 - Step 6: Final answer
x = 287,400,626.66
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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.