Finding the Fourth Proportional to 569,519,463.16, 785,967,374.84 and 318,608,887
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Solution
The fourth proportional to 569,519,463.16, 785,967,374.84 and 318,608,887 is: 439,697,335.59
Step by Step Solution
- Step 1: Write the proportion equation
569,519,463.16 : 785,967,374.84 = 318,608,887 : x - Step 2: Convert to fraction form
569,519,463.16/785,967,374.84 = 318,608,887/x - Step 3: Cross multiply
569,519,463.16x = 785,967,374.84 × 318,608,887 - Step 4: Simplify right side
569,519,463.16x = 250,416,190,516,084,224 - Step 5: Solve for x
x = 250,416,190,516,084,224/569,519,463.16 - Step 6: Final answer
x = 439,697,335.59
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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.