Finding the Fourth Proportional to 630,207,319.20, 943,610,367.60 and 630,207,319.20
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Solution
The fourth proportional to 630,207,319.20, 943,610,367.60 and 630,207,319.20 is: 943,610,367.60
Step by Step Solution
- Step 1: Write the proportion equation
630,207,319.20 : 943,610,367.60 = 630,207,319.20 : x - Step 2: Convert to fraction form
630,207,319.20/943,610,367.60 = 630,207,319.20/x - Step 3: Cross multiply
630,207,319.20x = 943,610,367.60 × 630,207,319.20 - Step 4: Simplify right side
630,207,319.20x = 594,670,160,134,522,624 - Step 5: Solve for x
x = 594,670,160,134,522,624/630,207,319.20 - Step 6: Final answer
x = 943,610,367.60
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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.