Finding the Fourth Proportional to 954,420,698.79, 1,317,079,925.87 and 552,551,392.92
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Solution
The fourth proportional to 954,420,698.79, 1,317,079,925.87 and 552,551,392.92 is: 762,508,973.82
Step by Step Solution
- Step 1: Write the proportion equation
954,420,698.79 : 1,317,079,925.87 = 552,551,392.92 : x - Step 2: Convert to fraction form
954,420,698.79/1,317,079,925.87 = 552,551,392.92/x - Step 3: Cross multiply
954,420,698.79x = 1,317,079,925.87 × 552,551,392.92 - Step 4: Simplify right side
954,420,698.79x = 727,754,347,629,068,416 - Step 5: Solve for x
x = 727,754,347,629,068,416/954,420,698.79 - Step 6: Final answer
x = 762,508,973.82
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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.