Finding the Fourth Proportional to 869,239,057.05, 1,303,858,585.58 and 524,014,983.45
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Solution
The fourth proportional to 869,239,057.05, 1,303,858,585.58 and 524,014,983.45 is: 786,022,475.18
Step by Step Solution
- Step 1: Write the proportion equation
869,239,057.05 : 1,303,858,585.58 = 524,014,983.45 : x - Step 2: Convert to fraction form
869,239,057.05/1,303,858,585.58 = 524,014,983.45/x - Step 3: Cross multiply
869,239,057.05x = 1,303,858,585.58 × 524,014,983.45 - Step 4: Simplify right side
869,239,057.05x = 683,241,435,141,224,064 - Step 5: Solve for x
x = 683,241,435,141,224,064/869,239,057.05 - Step 6: Final answer
x = 786,022,475.18
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Double scale
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Similar ratio
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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.