Finding the Fourth Proportional to 710,006,756.04, 979,790,526 and 396,743,544
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Solution
The fourth proportional to 710,006,756.04, 979,790,526 and 396,743,544 is: 547,495,586.99
Step by Step Solution
- Step 1: Write the proportion equation
710,006,756.04 : 979,790,526 = 396,743,544 : x - Step 2: Convert to fraction form
710,006,756.04/979,790,526 = 396,743,544/x - Step 3: Cross multiply
710,006,756.04x = 979,790,526 × 396,743,544 - Step 4: Simplify right side
710,006,756.04x = 388,725,565,662,864,128 - Step 5: Solve for x
x = 388,725,565,662,864,128/710,006,756.04 - Step 6: Final answer
x = 547,495,586.99
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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.