Finding the Fourth Proportional to 336,901,311.30, 505,351,966.95 and 155,502,783.30
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Solution
The fourth proportional to 336,901,311.30, 505,351,966.95 and 155,502,783.30 is: 233,254,174.95
Step by Step Solution
- Step 1: Write the proportion equation
336,901,311.30 : 505,351,966.95 = 155,502,783.30 : x - Step 2: Convert to fraction form
336,901,311.30/505,351,966.95 = 155,502,783.30/x - Step 3: Cross multiply
336,901,311.30x = 505,351,966.95 × 155,502,783.30 - Step 4: Simplify right side
336,901,311.30x = 78,583,637,406,854,624 - Step 5: Solve for x
x = 78,583,637,406,854,624/336,901,311.30 - Step 6: Final answer
x = 233,254,174.95
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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.