Finding the Fourth Proportional to 929,203,291.18, 1,393,798,736.55 and 376,497,565.30
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Solution
The fourth proportional to 929,203,291.18, 1,393,798,736.55 and 376,497,565.30 is: 564,743,835.73
Step by Step Solution
- Step 1: Write the proportion equation
929,203,291.18 : 1,393,798,736.55 = 376,497,565.30 : x - Step 2: Convert to fraction form
929,203,291.18/1,393,798,736.55 = 376,497,565.30/x - Step 3: Cross multiply
929,203,291.18x = 1,393,798,736.55 × 376,497,565.30 - Step 4: Simplify right side
929,203,291.18x = 524,761,830,829,291,136 - Step 5: Solve for x
x = 524,761,830,829,291,136/929,203,291.18 - Step 6: Final answer
x = 564,743,835.73
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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.