Finding the Fourth Proportional to 575,206,693.80, 862,810,040.70 and 479,547,313.80
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Solution
The fourth proportional to 575,206,693.80, 862,810,040.70 and 479,547,313.80 is: 719,320,970.70
Step by Step Solution
- Step 1: Write the proportion equation
575,206,693.80 : 862,810,040.70 = 479,547,313.80 : x - Step 2: Convert to fraction form
575,206,693.80/862,810,040.70 = 479,547,313.80/x - Step 3: Cross multiply
575,206,693.80x = 862,810,040.70 × 479,547,313.80 - Step 4: Simplify right side
575,206,693.80x = 413,758,237,337,353,728 - Step 5: Solve for x
x = 413,758,237,337,353,728/575,206,693.80 - Step 6: Final answer
x = 719,320,970.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.