Finding the Fourth Proportional to 897,372,432.99, 1,348,425,923.90 and 483,155,507.79
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Solution
The fourth proportional to 897,372,432.99, 1,348,425,923.90 and 483,155,507.79 is: 726,007,829.11
Step by Step Solution
- Step 1: Write the proportion equation
897,372,432.99 : 1,348,425,923.90 = 483,155,507.79 : x - Step 2: Convert to fraction form
897,372,432.99/1,348,425,923.90 = 483,155,507.79/x - Step 3: Cross multiply
897,372,432.99x = 1,348,425,923.90 × 483,155,507.79 - Step 4: Simplify right side
897,372,432.99x = 651,499,411,976,688,640 - Step 5: Solve for x
x = 651,499,411,976,688,640/897,372,432.99 - Step 6: Final answer
x = 726,007,829.11
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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.