Finding the Fourth Proportional to 750,778,580.44, 1,036,135,795.98 and 416,355,837.40
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Solution
The fourth proportional to 750,778,580.44, 1,036,135,795.98 and 416,355,837.40 is: 574,605,080.96
Step by Step Solution
- Step 1: Write the proportion equation
750,778,580.44 : 1,036,135,795.98 = 416,355,837.40 : x - Step 2: Convert to fraction form
750,778,580.44/1,036,135,795.98 = 416,355,837.40/x - Step 3: Cross multiply
750,778,580.44x = 1,036,135,795.98 × 416,355,837.40 - Step 4: Simplify right side
750,778,580.44x = 431,401,186,995,368,448 - Step 5: Solve for x
x = 431,401,186,995,368,448/750,778,580.44 - Step 6: Final answer
x = 574,605,080.96
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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.