Finding the Fourth Proportional to 646,534,110.90, 969,801,166.35 and 596,649,515.70
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Solution
The fourth proportional to 646,534,110.90, 969,801,166.35 and 596,649,515.70 is: 894,974,273.55
Step by Step Solution
- Step 1: Write the proportion equation
646,534,110.90 : 969,801,166.35 = 596,649,515.70 : x - Step 2: Convert to fraction form
646,534,110.90/969,801,166.35 = 596,649,515.70/x - Step 3: Cross multiply
646,534,110.90x = 969,801,166.35 × 596,649,515.70 - Step 4: Simplify right side
646,534,110.90x = 578,631,396,228,022,656 - Step 5: Solve for x
x = 578,631,396,228,022,656/646,534,110.90 - Step 6: Final answer
x = 894,974,273.55
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Double scale
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Similar ratio
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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.