Finding the Fourth Proportional to 837,116,039.70, 1,155,210,966.85 and 460,764,580.99
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Solution
The fourth proportional to 837,116,039.70, 1,155,210,966.85 and 460,764,580.99 is: 635,850,075.57
Step by Step Solution
- Step 1: Write the proportion equation
837,116,039.70 : 1,155,210,966.85 = 460,764,580.99 : x - Step 2: Convert to fraction form
837,116,039.70/1,155,210,966.85 = 460,764,580.99/x - Step 3: Cross multiply
837,116,039.70x = 1,155,210,966.85 × 460,764,580.99 - Step 4: Simplify right side
837,116,039.70x = 532,280,297,098,614,656 - Step 5: Solve for x
x = 532,280,297,098,614,656/837,116,039.70 - Step 6: Final answer
x = 635,850,075.57
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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.