Finding the Fourth Proportional to 604,390,130.40, 906,585,195.60 and 195,487,615.20
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Solution
The fourth proportional to 604,390,130.40, 906,585,195.60 and 195,487,615.20 is: 293,231,422.80
Step by Step Solution
- Step 1: Write the proportion equation
604,390,130.40 : 906,585,195.60 = 195,487,615.20 : x - Step 2: Convert to fraction form
604,390,130.40/906,585,195.60 = 195,487,615.20/x - Step 3: Cross multiply
604,390,130.40x = 906,585,195.60 × 195,487,615.20 - Step 4: Simplify right side
604,390,130.40x = 177,226,177,863,469,536 - Step 5: Solve for x
x = 177,226,177,863,469,536/604,390,130.40 - Step 6: Final answer
x = 293,231,422.80
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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.