Finding the Fourth Proportional to 886,405,298.36, 1,223,244,120.87 and 484,519,587.17
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Solution
The fourth proportional to 886,405,298.36, 1,223,244,120.87 and 484,519,587.17 is: 668,639,659.02
Step by Step Solution
- Step 1: Write the proportion equation
886,405,298.36 : 1,223,244,120.87 = 484,519,587.17 : x - Step 2: Convert to fraction form
886,405,298.36/1,223,244,120.87 = 484,519,587.17/x - Step 3: Cross multiply
886,405,298.36x = 1,223,244,120.87 × 484,519,587.17 - Step 4: Simplify right side
886,405,298.36x = 592,685,736,445,945,728 - Step 5: Solve for x
x = 592,685,736,445,945,728/886,405,298.36 - Step 6: Final answer
x = 668,639,659.02
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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.