Finding the Fourth Proportional to 651,464,699.28, 899,027,673.12 and 354,106,757.99
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Solution
The fourth proportional to 651,464,699.28, 899,027,673.12 and 354,106,757.99 is: 488,670,798.31
Step by Step Solution
- Step 1: Write the proportion equation
651,464,699.28 : 899,027,673.12 = 354,106,757.99 : x - Step 2: Convert to fraction form
651,464,699.28/899,027,673.12 = 354,106,757.99/x - Step 3: Cross multiply
651,464,699.28x = 899,027,673.12 × 354,106,757.99 - Step 4: Simplify right side
651,464,699.28x = 318,351,774,667,321,536 - Step 5: Solve for x
x = 318,351,774,667,321,536/651,464,699.28 - Step 6: Final answer
x = 488,670,798.31
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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.