Finding the Fourth Proportional to 956,991,711.02, 1,320,894,280.84 and 623,295,773.70
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Solution
The fourth proportional to 956,991,711.02, 1,320,894,280.84 and 623,295,773.70 is: 860,308,206.72
Step by Step Solution
- Step 1: Write the proportion equation
956,991,711.02 : 1,320,894,280.84 = 623,295,773.70 : x - Step 2: Convert to fraction form
956,991,711.02/1,320,894,280.84 = 623,295,773.70/x - Step 3: Cross multiply
956,991,711.02x = 1,320,894,280.84 × 623,295,773.70 - Step 4: Simplify right side
956,991,711.02x = 823,307,822,752,072,832 - Step 5: Solve for x
x = 823,307,822,752,072,832/956,991,711.02 - Step 6: Final answer
x = 860,308,206.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.