Finding the Fourth Proportional to 2,312,232,587.96, 3,190,883,959.24 and 1,254,960,439.79
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Solution
The fourth proportional to 2,312,232,587.96, 3,190,883,959.24 and 1,254,960,439.79 is: 1,731,847,028.56
Step by Step Solution
- Step 1: Write the proportion equation
2,312,232,587.96 : 3,190,883,959.24 = 1,254,960,439.79 : x - Step 2: Convert to fraction form
2,312,232,587.96/3,190,883,959.24 = 1,254,960,439.79/x - Step 3: Cross multiply
2,312,232,587.96x = 3,190,883,959.24 × 1,254,960,439.79 - Step 4: Simplify right side
2,312,232,587.96x = 4,004,433,136,787,595,776 - Step 5: Solve for x
x = 4,004,433,136,787,595,776/2,312,232,587.96 - Step 6: Final answer
x = 1,731,847,028.56
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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.