Finding the Fourth Proportional to 7,975,277,629.60, 11,962,916,444.40 and 5,363,138,826.40
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Solution
The fourth proportional to 7,975,277,629.60, 11,962,916,444.40 and 5,363,138,826.40 is: 8,044,708,239.60
Step by Step Solution
- Step 1: Write the proportion equation
7,975,277,629.60 : 11,962,916,444.40 = 5,363,138,826.40 : x - Step 2: Convert to fraction form
7,975,277,629.60/11,962,916,444.40 = 5,363,138,826.40/x - Step 3: Cross multiply
7,975,277,629.60x = 11,962,916,444.40 × 5,363,138,826.40 - Step 4: Simplify right side
7,975,277,629.60x = 64,158,781,659,940,667,392 - Step 5: Solve for x
x = 64,158,781,659,940,667,392/7,975,277,629.60 - Step 6: Final answer
x = 8,044,708,239.60
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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.