Finding the Fourth Proportional to 542,462,010.74, 748,592,313.56 and 294,943,364.99
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Solution
The fourth proportional to 542,462,010.74, 748,592,313.56 and 294,943,364.99 is: 407,018,983.07
Step by Step Solution
- Step 1: Write the proportion equation
542,462,010.74 : 748,592,313.56 = 294,943,364.99 : x - Step 2: Convert to fraction form
542,462,010.74/748,592,313.56 = 294,943,364.99/x - Step 3: Cross multiply
542,462,010.74x = 748,592,313.56 × 294,943,364.99 - Step 4: Simplify right side
542,462,010.74x = 220,792,335,967,035,584 - Step 5: Solve for x
x = 220,792,335,967,035,584/542,462,010.74 - Step 6: Final answer
x = 407,018,983.07
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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.