Finding the Fourth Proportional to 372,790,389.98, 514,451,305.05 and 207,774,416.54
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Solution
The fourth proportional to 372,790,389.98, 514,451,305.05 and 207,774,416.54 is: 286,729,010.77
Step by Step Solution
- Step 1: Write the proportion equation
372,790,389.98 : 514,451,305.05 = 207,774,416.54 : x - Step 2: Convert to fraction form
372,790,389.98/514,451,305.05 = 207,774,416.54/x - Step 3: Cross multiply
372,790,389.98x = 514,451,305.05 × 207,774,416.54 - Step 4: Simplify right side
372,790,389.98x = 106,889,819,745,512,272 - Step 5: Solve for x
x = 106,889,819,745,512,272/372,790,389.98 - Step 6: Final answer
x = 286,729,010.77
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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.