Finding the Fourth Proportional to 542,462,010.24, 748,592,312.87 and 294,943,364.49
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Solution
The fourth proportional to 542,462,010.24, 748,592,312.87 and 294,943,364.49 is: 407,018,982.38
Step by Step Solution
- Step 1: Write the proportion equation
542,462,010.24 : 748,592,312.87 = 294,943,364.49 : x - Step 2: Convert to fraction form
542,462,010.24/748,592,312.87 = 294,943,364.49/x - Step 3: Cross multiply
542,462,010.24x = 748,592,312.87 × 294,943,364.49 - Step 4: Simplify right side
542,462,010.24x = 220,792,335,389,228,544 - Step 5: Solve for x
x = 220,792,335,389,228,544/542,462,010.24 - Step 6: Final answer
x = 407,018,982.38
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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.