Finding the Fourth Proportional to 2,153,166,683.20, 3,229,750,024.80 and 772,801,829.80
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Solution
The fourth proportional to 2,153,166,683.20, 3,229,750,024.80 and 772,801,829.80 is: 1,159,202,744.70
Step by Step Solution
- Step 1: Write the proportion equation
2,153,166,683.20 : 3,229,750,024.80 = 772,801,829.80 : x - Step 2: Convert to fraction form
2,153,166,683.20/3,229,750,024.80 = 772,801,829.80/x - Step 3: Cross multiply
2,153,166,683.20x = 3,229,750,024.80 × 772,801,829.80 - Step 4: Simplify right side
2,153,166,683.20x = 2,495,956,728,962,035,200 - Step 5: Solve for x
x = 2,495,956,728,962,035,200/2,153,166,683.20 - Step 6: Final answer
x = 1,159,202,744.70
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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.