Finding the Fourth Proportional to 532,387,898.09, 734,681,764.11 and 297,440,323.07
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Solution
The fourth proportional to 532,387,898.09, 734,681,764.11 and 297,440,323.07 is: 410,460,083.81
Step by Step Solution
- Step 1: Write the proportion equation
532,387,898.09 : 734,681,764.11 = 297,440,323.07 : x - Step 2: Convert to fraction form
532,387,898.09/734,681,764.11 = 297,440,323.07/x - Step 3: Cross multiply
532,387,898.09x = 734,681,764.11 × 297,440,323.07 - Step 4: Simplify right side
532,387,898.09x = 218,523,981,266,842,528 - Step 5: Solve for x
x = 218,523,981,266,842,528/532,387,898.09 - Step 6: Final answer
x = 410,460,083.81
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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.