Finding the Fourth Proportional to 890,153,134.05, 1,228,634,555.85 and 604,527,943.98
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Solution
The fourth proportional to 890,153,134.05, 1,228,634,555.85 and 604,527,943.98 is: 834,400,165.03
Step by Step Solution
- Step 1: Write the proportion equation
890,153,134.05 : 1,228,634,555.85 = 604,527,943.98 : x - Step 2: Convert to fraction form
890,153,134.05/1,228,634,555.85 = 604,527,943.98/x - Step 3: Cross multiply
890,153,134.05x = 1,228,634,555.85 × 604,527,943.98 - Step 4: Simplify right side
890,153,134.05x = 742,743,921,950,780,928 - Step 5: Solve for x
x = 742,743,921,950,780,928/890,153,134.05 - Step 6: Final answer
x = 834,400,165.03
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1.5x scale
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.