Finding the Fourth Proportional to 896,752,926.18, 1,237,519,568.87 and 500,275,917.09
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Solution
The fourth proportional to 896,752,926.18, 1,237,519,568.87 and 500,275,917.09 is: 690,381,061.67
Step by Step Solution
- Step 1: Write the proportion equation
896,752,926.18 : 1,237,519,568.87 = 500,275,917.09 : x - Step 2: Convert to fraction form
896,752,926.18/1,237,519,568.87 = 500,275,917.09/x - Step 3: Cross multiply
896,752,926.18x = 1,237,519,568.87 × 500,275,917.09 - Step 4: Simplify right side
896,752,926.18x = 619,101,237,232,660,224 - Step 5: Solve for x
x = 619,101,237,232,660,224/896,752,926.18 - Step 6: Final answer
x = 690,381,061.67
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1.5x scale
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.