Finding the Fourth Proportional to 486,518,370.84, 671,406,192.54 and 277,670,323.08
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Solution
The fourth proportional to 486,518,370.84, 671,406,192.54 and 277,670,323.08 is: 383,191,233.00
Step by Step Solution
- Step 1: Write the proportion equation
486,518,370.84 : 671,406,192.54 = 277,670,323.08 : x - Step 2: Convert to fraction form
486,518,370.84/671,406,192.54 = 277,670,323.08/x - Step 3: Cross multiply
486,518,370.84x = 671,406,192.54 × 277,670,323.08 - Step 4: Simplify right side
486,518,370.84x = 186,429,574,400,494,464 - Step 5: Solve for x
x = 186,429,574,400,494,464/486,518,370.84 - Step 6: Final answer
x = 383,191,233.00
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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.