Finding the Fourth Proportional to 403,051,306,916.97, 604,579,220,515.62 and 134,439,549,700.80
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Solution
The fourth proportional to 403,051,306,916.97, 604,579,220,515.62 and 134,439,549,700.80 is: 201,660,078,430.97
Step by Step Solution
- Step 1: Write the proportion equation
403,051,306,916.97 : 604,579,220,515.62 = 134,439,549,700.80 : x - Step 2: Convert to fraction form
403,051,306,916.97/604,579,220,515.62 = 134,439,549,700.80/x - Step 3: Cross multiply
403,051,306,916.97x = 604,579,220,515.62 × 134,439,549,700.80 - Step 4: Simplify right side
403,051,306,916.97x = 81,279,358,164,580,626,857,984 - Step 5: Solve for x
x = 81,279,358,164,580,626,857,984/403,051,306,916.97 - Step 6: Final answer
x = 201,660,078,430.97
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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.