Finding the Fourth Proportional to 402,346,059.12, 555,112,688.94 and 234,961,564.68
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Solution
The fourth proportional to 402,346,059.12, 555,112,688.94 and 234,961,564.68 is: 324,174,036.28
Step by Step Solution
- Step 1: Write the proportion equation
402,346,059.12 : 555,112,688.94 = 234,961,564.68 : x - Step 2: Convert to fraction form
402,346,059.12/555,112,688.94 = 234,961,564.68/x - Step 3: Cross multiply
402,346,059.12x = 555,112,688.94 × 234,961,564.68 - Step 4: Simplify right side
402,346,059.12x = 130,430,145,967,064,544 - Step 5: Solve for x
x = 130,430,145,967,064,544/402,346,059.12 - Step 6: Final answer
x = 324,174,036.28
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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.