Finding the Fourth Proportional to 913,283,904.46, 1,260,331,788.26 and 495,596,189.75
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Solution
The fourth proportional to 913,283,904.46, 1,260,331,788.26 and 495,596,189.75 is: 683,922,741.92
Step by Step Solution
- Step 1: Write the proportion equation
913,283,904.46 : 1,260,331,788.26 = 495,596,189.75 : x - Step 2: Convert to fraction form
913,283,904.46/1,260,331,788.26 = 495,596,189.75/x - Step 3: Cross multiply
913,283,904.46x = 1,260,331,788.26 × 495,596,189.75 - Step 4: Simplify right side
913,283,904.46x = 624,615,632,082,459,776 - Step 5: Solve for x
x = 624,615,632,082,459,776/913,283,904.46 - Step 6: Final answer
x = 683,922,741.92
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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.