Finding the Fourth Proportional to 939,905,594.01, 1,297,104,724.58 and 563,623,444.08
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Solution
The fourth proportional to 939,905,594.01, 1,297,104,724.58 and 563,623,444.08 is: 777,821,343.82
Step by Step Solution
- Step 1: Write the proportion equation
939,905,594.01 : 1,297,104,724.58 = 563,623,444.08 : x - Step 2: Convert to fraction form
939,905,594.01/1,297,104,724.58 = 563,623,444.08/x - Step 3: Cross multiply
939,905,594.01x = 1,297,104,724.58 × 563,623,444.08 - Step 4: Simplify right side
939,905,594.01x = 731,078,632,197,401,344 - Step 5: Solve for x
x = 731,078,632,197,401,344/939,905,594.01 - Step 6: Final answer
x = 777,821,343.82
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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.