Finding the Fourth Proportional to 453,083,337.20, 679,623,066.12 and 125,557,914.80
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Solution
The fourth proportional to 453,083,337.20, 679,623,066.12 and 125,557,914.80 is: 188,336,334.68
Step by Step Solution
- Step 1: Write the proportion equation
453,083,337.20 : 679,623,066.12 = 125,557,914.80 : x - Step 2: Convert to fraction form
453,083,337.20/679,623,066.12 = 125,557,914.80/x - Step 3: Cross multiply
453,083,337.20x = 679,623,066.12 × 125,557,914.80 - Step 4: Simplify right side
453,083,337.20x = 85,332,055,032,009,728 - Step 5: Solve for x
x = 85,332,055,032,009,728/453,083,337.20 - Step 6: Final answer
x = 188,336,334.68
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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.