Finding the Fourth Proportional to 483,043,721.80, 724,565,582.70 and 159,927,593.80
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Solution
The fourth proportional to 483,043,721.80, 724,565,582.70 and 159,927,593.80 is: 239,891,390.70
Step by Step Solution
- Step 1: Write the proportion equation
483,043,721.80 : 724,565,582.70 = 159,927,593.80 : x - Step 2: Convert to fraction form
483,043,721.80/724,565,582.70 = 159,927,593.80/x - Step 3: Cross multiply
483,043,721.80x = 724,565,582.70 × 159,927,593.80 - Step 4: Simplify right side
483,043,721.80x = 115,878,030,191,505,920 - Step 5: Solve for x
x = 115,878,030,191,505,920/483,043,721.80 - Step 6: Final answer
x = 239,891,390.70
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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.