Finding the Fourth Proportional to 581,926,974.06, 873,005,450.83 and 213,465,347.49
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Solution
The fourth proportional to 581,926,974.06, 873,005,450.83 and 213,465,347.49 is: 320,240,202.35
Step by Step Solution
- Step 1: Write the proportion equation
581,926,974.06 : 873,005,450.83 = 213,465,347.49 : x - Step 2: Convert to fraction form
581,926,974.06/873,005,450.83 = 213,465,347.49/x - Step 3: Cross multiply
581,926,974.06x = 873,005,450.83 × 213,465,347.49 - Step 4: Simplify right side
581,926,974.06x = 186,356,411,924,830,176 - Step 5: Solve for x
x = 186,356,411,924,830,176/581,926,974.06 - Step 6: Final answer
x = 320,240,202.35
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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.