Finding the Fourth Proportional to 617,706,930.63, 926,559,652.50 and 157,645,149.15
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Solution
The fourth proportional to 617,706,930.63, 926,559,652.50 and 157,645,149.15 is: 236,467,533.99
Step by Step Solution
- Step 1: Write the proportion equation
617,706,930.63 : 926,559,652.50 = 157,645,149.15 : x - Step 2: Convert to fraction form
617,706,930.63/926,559,652.50 = 157,645,149.15/x - Step 3: Cross multiply
617,706,930.63x = 926,559,652.50 × 157,645,149.15 - Step 4: Simplify right side
617,706,930.63x = 146,067,634,614,734,688 - Step 5: Solve for x
x = 146,067,634,614,734,688/617,706,930.63 - Step 6: Final answer
x = 236,467,533.99
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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.