Finding the Fourth Proportional to 785,281,350.44, 1,177,911,936.05 and 260,891,576.07
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Solution
The fourth proportional to 785,281,350.44, 1,177,911,936.05 and 260,891,576.07 is: 391,334,012.07
Step by Step Solution
- Step 1: Write the proportion equation
785,281,350.44 : 1,177,911,936.05 = 260,891,576.07 : x - Step 2: Convert to fraction form
785,281,350.44/1,177,911,936.05 = 260,891,576.07/x - Step 3: Cross multiply
785,281,350.44x = 1,177,911,936.05 × 260,891,576.07 - Step 4: Simplify right side
785,281,350.44x = 307,307,301,466,445,120 - Step 5: Solve for x
x = 307,307,301,466,445,120/785,281,350.44 - Step 6: Final answer
x = 391,334,012.07
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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.