Finding the Fourth Proportional to 450,169,324.04, 621,220,320.42 and 249,235,150.68
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Solution
The fourth proportional to 450,169,324.04, 621,220,320.42 and 249,235,150.68 is: 343,937,118.54
Step by Step Solution
- Step 1: Write the proportion equation
450,169,324.04 : 621,220,320.42 = 249,235,150.68 : x - Step 2: Convert to fraction form
450,169,324.04/621,220,320.42 = 249,235,150.68/x - Step 3: Cross multiply
450,169,324.04x = 621,220,320.42 × 249,235,150.68 - Step 4: Simplify right side
450,169,324.04x = 154,829,940,165,356,576 - Step 5: Solve for x
x = 154,829,940,165,356,576/450,169,324.04 - Step 6: Final answer
x = 343,937,118.54
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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.