Finding the Fourth Proportional to 719,020,265.92, 1,077,576,924.66 and 369,252,189.52
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Solution
The fourth proportional to 719,020,265.92, 1,077,576,924.66 and 369,252,189.52 is: 553,388,628.48
Step by Step Solution
- Step 1: Write the proportion equation
719,020,265.92 : 1,077,576,924.66 = 369,252,189.52 : x - Step 2: Convert to fraction form
719,020,265.92/1,077,576,924.66 = 369,252,189.52/x - Step 3: Cross multiply
719,020,265.92x = 1,077,576,924.66 × 369,252,189.52 - Step 4: Simplify right side
719,020,265.92x = 397,897,638,806,933,120 - Step 5: Solve for x
x = 397,897,638,806,933,120/719,020,265.92 - Step 6: Final answer
x = 553,388,628.48
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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.