Finding the Fourth Proportional to 293,398,210.80, 440,097,316.20 and 262,787,209.20
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Solution
The fourth proportional to 293,398,210.80, 440,097,316.20 and 262,787,209.20 is: 394,180,813.80
Step by Step Solution
- Step 1: Write the proportion equation
293,398,210.80 : 440,097,316.20 = 262,787,209.20 : x - Step 2: Convert to fraction form
293,398,210.80/440,097,316.20 = 262,787,209.20/x - Step 3: Cross multiply
293,398,210.80x = 440,097,316.20 × 262,787,209.20 - Step 4: Simplify right side
293,398,210.80x = 115,651,945,500,607,936 - Step 5: Solve for x
x = 115,651,945,500,607,936/293,398,210.80 - Step 6: Final answer
x = 394,180,813.80
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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.