Finding the Fourth Proportional to 501,974,334.74, 691,994,495.06 and 350,797,631.04
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Solution
The fourth proportional to 501,974,334.74, 691,994,495.06 and 350,797,631.04 is: 483,590,519.99
Step by Step Solution
- Step 1: Write the proportion equation
501,974,334.74 : 691,994,495.06 = 350,797,631.04 : x - Step 2: Convert to fraction form
501,974,334.74/691,994,495.06 = 350,797,631.04/x - Step 3: Cross multiply
501,974,334.74x = 691,994,495.06 × 350,797,631.04 - Step 4: Simplify right side
501,974,334.74x = 242,750,029,558,014,976 - Step 5: Solve for x
x = 242,750,029,558,014,976/501,974,334.74 - Step 6: Final answer
x = 483,590,519.99
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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.