Finding the Fourth Proportional to 651,655,010.70, 977,388,037.65 and 191,545,202.70
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Solution
The fourth proportional to 651,655,010.70, 977,388,037.65 and 191,545,202.70 is: 287,290,033.40
Step by Step Solution
- Step 1: Write the proportion equation
651,655,010.70 : 977,388,037.65 = 191,545,202.70 : x - Step 2: Convert to fraction form
651,655,010.70/977,388,037.65 = 191,545,202.70/x - Step 3: Cross multiply
651,655,010.70x = 977,388,037.65 × 191,545,202.70 - Step 4: Simplify right side
651,655,010.70x = 187,213,989,788,224,480 - Step 5: Solve for x
x = 187,213,989,788,224,480/651,655,010.70 - Step 6: Final answer
x = 287,290,033.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.