Finding the Fourth Proportional to 397,440,089.40, 596,160,134.10 and 124,838,412.60
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Solution
The fourth proportional to 397,440,089.40, 596,160,134.10 and 124,838,412.60 is: 187,257,618.90
Step by Step Solution
- Step 1: Write the proportion equation
397,440,089.40 : 596,160,134.10 = 124,838,412.60 : x - Step 2: Convert to fraction form
397,440,089.40/596,160,134.10 = 124,838,412.60/x - Step 3: Cross multiply
397,440,089.40x = 596,160,134.10 × 124,838,412.60 - Step 4: Simplify right side
397,440,089.40x = 74,423,684,796,447,136 - Step 5: Solve for x
x = 74,423,684,796,447,136/397,440,089.40 - Step 6: Final answer
x = 187,257,618.90
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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.