Finding the Fourth Proportional to 752,197,056.24, 1,038,026,520.81 and 417,667,937.52
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Solution
The fourth proportional to 752,197,056.24, 1,038,026,520.81 and 417,667,937.52 is: 576,378,746.02
Step by Step Solution
- Step 1: Write the proportion equation
752,197,056.24 : 1,038,026,520.81 = 417,667,937.52 : x - Step 2: Convert to fraction form
752,197,056.24/1,038,026,520.81 = 417,667,937.52/x - Step 3: Cross multiply
752,197,056.24x = 1,038,026,520.81 × 417,667,937.52 - Step 4: Simplify right side
752,197,056.24x = 433,550,396,037,774,016 - Step 5: Solve for x
x = 433,550,396,037,774,016/752,197,056.24 - Step 6: Final answer
x = 576,378,746.02
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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.