Finding the Fourth Proportional to 437,634,994.67, 603,950,697.57 and 239,391,952.79
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Solution
The fourth proportional to 437,634,994.67, 603,950,697.57 and 239,391,952.79 is: 330,368,774.53
Step by Step Solution
- Step 1: Write the proportion equation
437,634,994.67 : 603,950,697.57 = 239,391,952.79 : x - Step 2: Convert to fraction form
437,634,994.67/603,950,697.57 = 239,391,952.79/x - Step 3: Cross multiply
437,634,994.67x = 603,950,697.57 × 239,391,952.79 - Step 4: Simplify right side
437,634,994.67x = 144,580,936,877,145,280 - Step 5: Solve for x
x = 144,580,936,877,145,280/437,634,994.67 - Step 6: Final answer
x = 330,368,774.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.