Finding the Fourth Proportional to 1,503,613,422,785.50, 2,074,986,747,287.20 and 818,506,349,752.03
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Solution
The fourth proportional to 1,503,613,422,785.50, 2,074,986,747,287.20 and 818,506,349,752.03 is: 1,129,538,884,508.99
Step by Step Solution
- Step 1: Write the proportion equation
1,503,613,422,785.50 : 2,074,986,747,287.20 = 818,506,349,752.03 : x - Step 2: Convert to fraction form
1,503,613,422,785.50/2,074,986,747,287.20 = 818,506,349,752.03/x - Step 3: Cross multiply
1,503,613,422,785.50x = 2,074,986,747,287.20 × 818,506,349,752.03 - Step 4: Simplify right side
1,503,613,422,785.50x = 1,698,389,828,305,884,110,913,536 - Step 5: Solve for x
x = 1,698,389,828,305,884,110,913,536/1,503,613,422,785.50 - Step 6: Final answer
x = 1,129,538,884,508.99
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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.