Finding the Fourth Proportional to 5,636,268,515.31, 7,777,837,207.76 and 3,130,303,578.99
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Solution
The fourth proportional to 5,636,268,515.31, 7,777,837,207.76 and 3,130,303,578.99 is: 4,319,700,451.12
Step by Step Solution
- Step 1: Write the proportion equation
5,636,268,515.31 : 7,777,837,207.76 = 3,130,303,578.99 : x - Step 2: Convert to fraction form
5,636,268,515.31/7,777,837,207.76 = 3,130,303,578.99/x - Step 3: Cross multiply
5,636,268,515.31x = 7,777,837,207.76 × 3,130,303,578.99 - Step 4: Simplify right side
5,636,268,515.31x = 24,346,991,648,237,064,192 - Step 5: Solve for x
x = 24,346,991,648,237,064,192/5,636,268,515.31 - Step 6: Final answer
x = 4,319,700,451.12
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1.5x scale
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.