Finding the Fourth Proportional to 695,292,842.04, 1,042,939,637.57 and 258,536,775.48
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Solution
The fourth proportional to 695,292,842.04, 1,042,939,637.57 and 258,536,775.48 is: 387,805,302.48
Step by Step Solution
- Step 1: Write the proportion equation
695,292,842.04 : 1,042,939,637.57 = 258,536,775.48 : x - Step 2: Convert to fraction form
695,292,842.04/1,042,939,637.57 = 258,536,775.48/x - Step 3: Cross multiply
695,292,842.04x = 1,042,939,637.57 × 258,536,775.48 - Step 4: Simplify right side
695,292,842.04x = 269,638,250,917,627,680 - Step 5: Solve for x
x = 269,638,250,917,627,680/695,292,842.04 - Step 6: Final answer
x = 387,805,302.48
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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.