Finding the Fourth Proportional to 988,538,303.12, 1,364,092,698.22 and 586,582,792.05
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Solution
The fourth proportional to 988,538,303.12, 1,364,092,698.22 and 586,582,792.05 is: 809,430,753.48
Step by Step Solution
- Step 1: Write the proportion equation
988,538,303.12 : 1,364,092,698.22 = 586,582,792.05 : x - Step 2: Convert to fraction form
988,538,303.12/1,364,092,698.22 = 586,582,792.05/x - Step 3: Cross multiply
988,538,303.12x = 1,364,092,698.22 × 586,582,792.05 - Step 4: Simplify right side
988,538,303.12x = 800,153,303,534,530,816 - Step 5: Solve for x
x = 800,153,303,534,530,816/988,538,303.12 - Step 6: Final answer
x = 809,430,753.48
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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.