Finding the Fourth Proportional to 385,909,463.79, 577,348,896.11 and 297,805,347.74
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Solution
The fourth proportional to 385,909,463.79, 577,348,896.11 and 297,805,347.74 is: 445,538,668.79
Step by Step Solution
- Step 1: Write the proportion equation
385,909,463.79 : 577,348,896.11 = 297,805,347.74 : x - Step 2: Convert to fraction form
385,909,463.79/577,348,896.11 = 297,805,347.74/x - Step 3: Cross multiply
385,909,463.79x = 577,348,896.11 × 297,805,347.74 - Step 4: Simplify right side
385,909,463.79x = 171,937,588,768,967,936 - Step 5: Solve for x
x = 171,937,588,768,967,936/385,909,463.79 - Step 6: Final answer
x = 445,538,668.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.