Finding the Fourth Proportional to 351,829,048.16, 485,514,842.40 and 193,058,683.36
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Solution
The fourth proportional to 351,829,048.16, 485,514,842.40 and 193,058,683.36 is: 266,415,910.56
Step by Step Solution
- Step 1: Write the proportion equation
351,829,048.16 : 485,514,842.40 = 193,058,683.36 : x - Step 2: Convert to fraction form
351,829,048.16/485,514,842.40 = 193,058,683.36/x - Step 3: Cross multiply
351,829,048.16x = 485,514,842.40 × 193,058,683.36 - Step 4: Simplify right side
351,829,048.16x = 93,732,856,225,481,904 - Step 5: Solve for x
x = 93,732,856,225,481,904/351,829,048.16 - Step 6: Final answer
x = 266,415,910.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.