Finding the Fourth Proportional to 979,808,269.20, 1,468,011,792.60 and 634,584,195.60
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Solution
The fourth proportional to 979,808,269.20, 1,468,011,792.60 and 634,584,195.60 is: 950,774,872.82
Step by Step Solution
- Step 1: Write the proportion equation
979,808,269.20 : 1,468,011,792.60 = 634,584,195.60 : x - Step 2: Convert to fraction form
979,808,269.20/1,468,011,792.60 = 634,584,195.60/x - Step 3: Cross multiply
979,808,269.20x = 1,468,011,792.60 × 634,584,195.60 - Step 4: Simplify right side
979,808,269.20x = 931,577,082,538,385,024 - Step 5: Solve for x
x = 931,577,082,538,385,024/979,808,269.20 - Step 6: Final answer
x = 950,774,872.82
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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.