Finding the Fourth Proportional to 417,648,528.91, 626,083,332.71 and 141,106,346.18
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Solution
The fourth proportional to 417,648,528.91, 626,083,332.71 and 141,106,346.18 is: 211,527,936.45
Step by Step Solution
- Step 1: Write the proportion equation
417,648,528.91 : 626,083,332.71 = 141,106,346.18 : x - Step 2: Convert to fraction form
417,648,528.91/626,083,332.71 = 141,106,346.18/x - Step 3: Cross multiply
417,648,528.91x = 626,083,332.71 × 141,106,346.18 - Step 4: Simplify right side
417,648,528.91x = 88,344,331,484,117,824 - Step 5: Solve for x
x = 88,344,331,484,117,824/417,648,528.91 - Step 6: Final answer
x = 211,527,936.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.