Finding the Fourth Proportional to 673,603,656.70, 1,010,405,485.05 and 664,533,730.30
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Solution
The fourth proportional to 673,603,656.70, 1,010,405,485.05 and 664,533,730.30 is: 996,800,595.45
Step by Step Solution
- Step 1: Write the proportion equation
673,603,656.70 : 1,010,405,485.05 = 664,533,730.30 : x - Step 2: Convert to fraction form
673,603,656.70/1,010,405,485.05 = 664,533,730.30/x - Step 3: Cross multiply
673,603,656.70x = 1,010,405,485.05 × 664,533,730.30 - Step 4: Simplify right side
673,603,656.70x = 671,448,526,095,857,280 - Step 5: Solve for x
x = 671,448,526,095,857,280/673,603,656.70 - Step 6: Final answer
x = 996,800,595.45
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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.