Finding the Fourth Proportional to 373,248,829.80, 559,873,244.70 and 130,824,253.80
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Solution
The fourth proportional to 373,248,829.80, 559,873,244.70 and 130,824,253.80 is: 196,236,380.70
Step by Step Solution
- Step 1: Write the proportion equation
373,248,829.80 : 559,873,244.70 = 130,824,253.80 : x - Step 2: Convert to fraction form
373,248,829.80/559,873,244.70 = 130,824,253.80/x - Step 3: Cross multiply
373,248,829.80x = 559,873,244.70 × 130,824,253.80 - Step 4: Simplify right side
373,248,829.80x = 73,244,999,460,462,304 - Step 5: Solve for x
x = 73,244,999,460,462,304/373,248,829.80 - Step 6: Final answer
x = 196,236,380.70
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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.