Finding the Fourth Proportional to 657,888,183.44, 907,886,758.68 and 360,483,170.96
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Solution
The fourth proportional to 657,888,183.44, 907,886,758.68 and 360,483,170.96 is: 497,467,359.77
Step by Step Solution
- Step 1: Write the proportion equation
657,888,183.44 : 907,886,758.68 = 360,483,170.96 : x - Step 2: Convert to fraction form
657,888,183.44/907,886,758.68 = 360,483,170.96/x - Step 3: Cross multiply
657,888,183.44x = 907,886,758.68 × 360,483,170.96 - Step 4: Simplify right side
657,888,183.44x = 327,277,897,641,562,688 - Step 5: Solve for x
x = 327,277,897,641,562,688/657,888,183.44 - Step 6: Final answer
x = 497,467,359.77
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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.