Finding the Fourth Proportional to 1,770,293,724.90, 2,655,440,587.35 and 851,963,676.90
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Solution
The fourth proportional to 1,770,293,724.90, 2,655,440,587.35 and 851,963,676.90 is: 1,277,945,515.35
Step by Step Solution
- Step 1: Write the proportion equation
1,770,293,724.90 : 2,655,440,587.35 = 851,963,676.90 : x - Step 2: Convert to fraction form
1,770,293,724.90/2,655,440,587.35 = 851,963,676.90/x - Step 3: Cross multiply
1,770,293,724.90x = 2,655,440,587.35 × 851,963,676.90 - Step 4: Simplify right side
1,770,293,724.90x = 2,262,338,926,588,201,472 - Step 5: Solve for x
x = 2,262,338,926,588,201,472/1,770,293,724.90 - Step 6: Final answer
x = 1,277,945,515.35
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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.