Finding the Fourth Proportional to 350,371,498.99, 525,609,507.44 and 129,025,819.65
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Solution
The fourth proportional to 350,371,498.99, 525,609,507.44 and 129,025,819.65 is: 193,557,974.06
Step by Step Solution
- Step 1: Write the proportion equation
350,371,498.99 : 525,609,507.44 = 129,025,819.65 : x - Step 2: Convert to fraction form
350,371,498.99/525,609,507.44 = 129,025,819.65/x - Step 3: Cross multiply
350,371,498.99x = 525,609,507.44 × 129,025,819.65 - Step 4: Simplify right side
350,371,498.99x = 67,817,197,513,278,776 - Step 5: Solve for x
x = 67,817,197,513,278,776/350,371,498.99 - Step 6: Final answer
x = 193,557,974.06
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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.