Finding the Fourth Proportional to 3,513,438,539.58, 5,270,170,127.73 and 893,242,926.78
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Solution
The fourth proportional to 3,513,438,539.58, 5,270,170,127.73 and 893,242,926.78 is: 1,339,867,521.94
Step by Step Solution
- Step 1: Write the proportion equation
3,513,438,539.58 : 5,270,170,127.73 = 893,242,926.78 : x - Step 2: Convert to fraction form
3,513,438,539.58/5,270,170,127.73 = 893,242,926.78/x - Step 3: Cross multiply
3,513,438,539.58x = 5,270,170,127.73 × 893,242,926.78 - Step 4: Simplify right side
3,513,438,539.58x = 4,707,542,189,522,071,552 - Step 5: Solve for x
x = 4,707,542,189,522,071,552/3,513,438,539.58 - Step 6: Final answer
x = 1,339,867,521.94
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1.5x scale
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.