Finding the Fourth Proportional to 450,685,301.00, 621,949,368.15 and 249,745,532.49
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Solution
The fourth proportional to 450,685,301.00, 621,949,368.15 and 249,745,532.49 is: 344,650,859.01
Step by Step Solution
- Step 1: Write the proportion equation
450,685,301.00 : 621,949,368.15 = 249,745,532.49 : x - Step 2: Convert to fraction form
450,685,301.00/621,949,368.15 = 249,745,532.49/x - Step 3: Cross multiply
450,685,301.00x = 621,949,368.15 × 249,745,532.49 - Step 4: Simplify right side
450,685,301.00x = 155,329,076,130,440,800 - Step 5: Solve for x
x = 155,329,076,130,440,800/450,685,301.00 - Step 6: Final answer
x = 344,650,859.01
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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.