Finding the Fourth Proportional to 609,858,345.02, 841,616,974.95 and 331,417,805.18
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Solution
The fourth proportional to 609,858,345.02, 841,616,974.95 and 331,417,805.18 is: 457,363,341.70
Step by Step Solution
- Step 1: Write the proportion equation
609,858,345.02 : 841,616,974.95 = 331,417,805.18 : x - Step 2: Convert to fraction form
609,858,345.02/841,616,974.95 = 331,417,805.18/x - Step 3: Cross multiply
609,858,345.02x = 841,616,974.95 × 331,417,805.18 - Step 4: Simplify right side
609,858,345.02x = 278,926,850,640,160,064 - Step 5: Solve for x
x = 278,926,850,640,160,064/609,858,345.02 - Step 6: Final answer
x = 457,363,341.70
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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.