Finding the Fourth Proportional to 617,706,910.10, 926,559,621.56 and 157,645,128.62
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Solution
The fourth proportional to 617,706,910.10, 926,559,621.56 and 157,645,128.62 is: 236,467,503.16
Step by Step Solution
- Step 1: Write the proportion equation
617,706,910.10 : 926,559,621.56 = 157,645,128.62 : x - Step 2: Convert to fraction form
617,706,910.10/926,559,621.56 = 157,645,128.62/x - Step 3: Cross multiply
617,706,910.10x = 926,559,621.56 × 157,645,128.62 - Step 4: Simplify right side
617,706,910.10x = 146,067,610,714,924,736 - Step 5: Solve for x
x = 146,067,610,714,924,736/617,706,910.10 - Step 6: Final answer
x = 236,467,503.16
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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.