Finding the Fourth Proportional to 753,436,327.26, 1,127,944,478.96 and 528,307,386.74
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Solution
The fourth proportional to 753,436,327.26, 1,127,944,478.96 and 528,307,386.74 is: 790,911,426.10
Step by Step Solution
- Step 1: Write the proportion equation
753,436,327.26 : 1,127,944,478.96 = 528,307,386.74 : x - Step 2: Convert to fraction form
753,436,327.26/1,127,944,478.96 = 528,307,386.74/x - Step 3: Cross multiply
753,436,327.26x = 1,127,944,478.96 × 528,307,386.74 - Step 4: Simplify right side
753,436,327.26x = 595,901,400,067,168,512 - Step 5: Solve for x
x = 595,901,400,067,168,512/753,436,327.26 - Step 6: Final answer
x = 790,911,426.10
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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.