Finding the Fourth Proportional to 404,449,011,605.19, 557,928,030,167.76 and 250,075,343,905.08
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Solution
The fourth proportional to 404,449,011,605.19, 557,928,030,167.76 and 250,075,343,905.08 is: 344,973,136,328.70
Step by Step Solution
- Step 1: Write the proportion equation
404,449,011,605.19 : 557,928,030,167.76 = 250,075,343,905.08 : x - Step 2: Convert to fraction form
404,449,011,605.19/557,928,030,167.76 = 250,075,343,905.08/x - Step 3: Cross multiply
404,449,011,605.19x = 557,928,030,167.76 × 250,075,343,905.08 - Step 4: Simplify right side
404,449,011,605.19x = 139,524,044,018,486,433,808,384 - Step 5: Solve for x
x = 139,524,044,018,486,433,808,384/404,449,011,605.19 - Step 6: Final answer
x = 344,973,136,328.70
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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.