Finding the Fourth Proportional to 1,427,311,133.39, 2,141,069,887.80 and 597,430,139.63
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Solution
The fourth proportional to 1,427,311,133.39, 2,141,069,887.80 and 597,430,139.63 is: 896,188,400.76
Step by Step Solution
- Step 1: Write the proportion equation
1,427,311,133.39 : 2,141,069,887.80 = 597,430,139.63 : x - Step 2: Convert to fraction form
1,427,311,133.39/2,141,069,887.80 = 597,430,139.63/x - Step 3: Cross multiply
1,427,311,133.39x = 2,141,069,887.80 × 597,430,139.63 - Step 4: Simplify right side
1,427,311,133.39x = 1,279,139,682,015,237,120 - Step 5: Solve for x
x = 1,279,139,682,015,237,120/1,427,311,133.39 - Step 6: Final answer
x = 896,188,400.76
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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.