Finding the Fourth Proportional to 951,070,993.20, 1,312,487,477.51 and 533,374,310.43
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Solution
The fourth proportional to 951,070,993.20, 1,312,487,477.51 and 533,374,310.43 is: 736,061,879.99
Step by Step Solution
- Step 1: Write the proportion equation
951,070,993.20 : 1,312,487,477.51 = 533,374,310.43 : x - Step 2: Convert to fraction form
951,070,993.20/1,312,487,477.51 = 533,374,310.43/x - Step 3: Cross multiply
951,070,993.20x = 1,312,487,477.51 × 533,374,310.43 - Step 4: Simplify right side
951,070,993.20x = 700,047,103,262,239,616 - Step 5: Solve for x
x = 700,047,103,262,239,616/951,070,993.20 - Step 6: Final answer
x = 736,061,879.99
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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.