Finding the Fourth Proportional to 617,706,906.10, 926,559,615.57 and 157,645,124.62
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Solution
The fourth proportional to 617,706,906.10, 926,559,615.57 and 157,645,124.62 is: 236,467,497.16
Step by Step Solution
- Step 1: Write the proportion equation
617,706,906.10 : 926,559,615.57 = 157,645,124.62 : x - Step 2: Convert to fraction form
617,706,906.10/926,559,615.57 = 157,645,124.62/x - Step 3: Cross multiply
617,706,906.10x = 926,559,615.57 × 157,645,124.62 - Step 4: Simplify right side
617,706,906.10x = 146,067,606,064,391,968 - Step 5: Solve for x
x = 146,067,606,064,391,968/617,706,906.10 - Step 6: Final answer
x = 236,467,497.16
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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.