Finding the Fourth Proportional to 1,535,923,228.07, 2,119,205,447.21 and 933,081,801.12
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Solution
The fourth proportional to 1,535,923,228.07, 2,119,205,447.21 and 933,081,801.12 is: 1,287,428,954.45
Step by Step Solution
- Step 1: Write the proportion equation
1,535,923,228.07 : 2,119,205,447.21 = 933,081,801.12 : x - Step 2: Convert to fraction form
1,535,923,228.07/2,119,205,447.21 = 933,081,801.12/x - Step 3: Cross multiply
1,535,923,228.07x = 2,119,205,447.21 × 933,081,801.12 - Step 4: Simplify right side
1,535,923,228.07x = 1,977,392,035,621,356,288 - Step 5: Solve for x
x = 1,977,392,035,621,356,288/1,535,923,228.07 - Step 6: Final answer
x = 1,287,428,954.45
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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.