Finding the Fourth Proportional to 483,043,709.80, 724,565,564.70 and 159,927,581.80
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Solution
The fourth proportional to 483,043,709.80, 724,565,564.70 and 159,927,581.80 is: 239,891,372.70
Step by Step Solution
- Step 1: Write the proportion equation
483,043,709.80 : 724,565,564.70 = 159,927,581.80 : x - Step 2: Convert to fraction form
483,043,709.80/724,565,564.70 = 159,927,581.80/x - Step 3: Cross multiply
483,043,709.80x = 724,565,564.70 × 159,927,581.80 - Step 4: Simplify right side
483,043,709.80x = 115,878,018,618,022,464 - Step 5: Solve for x
x = 115,878,018,618,022,464/483,043,709.80 - Step 6: Final answer
x = 239,891,372.70
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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.