Finding the Fourth Proportional to 507,577,743.99, 700,686,801.80 and 319,682,177.54
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Solution
The fourth proportional to 507,577,743.99, 700,686,801.80 and 319,682,177.54 is: 441,305,958.00
Step by Step Solution
- Step 1: Write the proportion equation
507,577,743.99 : 700,686,801.80 = 319,682,177.54 : x - Step 2: Convert to fraction form
507,577,743.99/700,686,801.80 = 319,682,177.54/x - Step 3: Cross multiply
507,577,743.99x = 700,686,801.80 × 319,682,177.54 - Step 4: Simplify right side
507,577,743.99x = 223,997,082,570,258,176 - Step 5: Solve for x
x = 223,997,082,570,258,176/507,577,743.99 - Step 6: Final answer
x = 441,305,958.00
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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.