Finding the Fourth Proportional to 1,422,176,247.99, 1,962,588,762.72 and 787,097,979
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Solution
The fourth proportional to 1,422,176,247.99, 1,962,588,762.72 and 787,097,979 is: 1,086,187,208.46
Step by Step Solution
- Step 1: Write the proportion equation
1,422,176,247.99 : 1,962,588,762.72 = 787,097,979 : x - Step 2: Convert to fraction form
1,422,176,247.99/1,962,588,762.72 = 787,097,979/x - Step 3: Cross multiply
1,422,176,247.99x = 1,962,588,762.72 × 787,097,979 - Step 4: Simplify right side
1,422,176,247.99x = 1,544,749,648,745,022,464 - Step 5: Solve for x
x = 1,544,749,648,745,022,464/1,422,176,247.99 - Step 6: Final answer
x = 1,086,187,208.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.