Finding the Fourth Proportional to 453,656,494.20, 626,021,674.46 and 249,965,526.91
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Solution
The fourth proportional to 453,656,494.20, 626,021,674.46 and 249,965,526.91 is: 344,939,044.66
Step by Step Solution
- Step 1: Write the proportion equation
453,656,494.20 : 626,021,674.46 = 249,965,526.91 : x - Step 2: Convert to fraction form
453,656,494.20/626,021,674.46 = 249,965,526.91/x - Step 3: Cross multiply
453,656,494.20x = 626,021,674.46 × 249,965,526.91 - Step 4: Simplify right side
453,656,494.20x = 156,483,837,712,534,240 - Step 5: Solve for x
x = 156,483,837,712,534,240/453,656,494.20 - Step 6: Final answer
x = 344,939,044.66
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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.