Finding the Fourth Proportional to 432,212,106.65, 647,954,860.98 and 350,127,424.71
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Solution
The fourth proportional to 432,212,106.65, 647,954,860.98 and 350,127,424.71 is: 524,896,834.95
Step by Step Solution
- Step 1: Write the proportion equation
432,212,106.65 : 647,954,860.98 = 350,127,424.71 : x - Step 2: Convert to fraction form
432,212,106.65/647,954,860.98 = 350,127,424.71/x - Step 3: Cross multiply
432,212,106.65x = 647,954,860.98 × 350,127,424.71 - Step 4: Simplify right side
432,212,106.65x = 226,866,766,803,253,472 - Step 5: Solve for x
x = 226,866,766,803,253,472/432,212,106.65 - Step 6: Final answer
x = 524,896,834.95
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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.