Finding the Fourth Proportional to 568,652,756.87, 784,725,751.26 and 317,759,210.37
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Solution
The fourth proportional to 568,652,756.87, 784,725,751.26 and 317,759,210.37 is: 438,499,298.67
Step by Step Solution
- Step 1: Write the proportion equation
568,652,756.87 : 784,725,751.26 = 317,759,210.37 : x - Step 2: Convert to fraction form
568,652,756.87/784,725,751.26 = 317,759,210.37/x - Step 3: Cross multiply
568,652,756.87x = 784,725,751.26 × 317,759,210.37 - Step 4: Simplify right side
568,652,756.87x = 249,353,835,077,382,624 - Step 5: Solve for x
x = 249,353,835,077,382,624/568,652,756.87 - Step 6: Final answer
x = 438,499,298.67
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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.