Finding the Fourth Proportional to 749,153,232.60, 1,123,729,848.90 and 733,847,731.80
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Solution
The fourth proportional to 749,153,232.60, 1,123,729,848.90 and 733,847,731.80 is: 1,100,771,597.70
Step by Step Solution
- Step 1: Write the proportion equation
749,153,232.60 : 1,123,729,848.90 = 733,847,731.80 : x - Step 2: Convert to fraction form
749,153,232.60/1,123,729,848.90 = 733,847,731.80/x - Step 3: Cross multiply
749,153,232.60x = 1,123,729,848.90 × 733,847,731.80 - Step 4: Simplify right side
749,153,232.60x = 824,646,600,771,221,760 - Step 5: Solve for x
x = 824,646,600,771,221,760/749,153,232.60 - Step 6: Final answer
x = 1,100,771,597.70
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1.5x scale
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.