Finding the Fourth Proportional to 653,583,134.81, 901,976,634.07 and 367,564,660.99
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Solution
The fourth proportional to 653,583,134.81, 901,976,634.07 and 367,564,660.99 is: 507,257,176.74
Step by Step Solution
- Step 1: Write the proportion equation
653,583,134.81 : 901,976,634.07 = 367,564,660.99 : x - Step 2: Convert to fraction form
653,583,134.81/901,976,634.07 = 367,564,660.99/x - Step 3: Cross multiply
653,583,134.81x = 901,976,634.07 × 367,564,660.99 - Step 4: Simplify right side
653,583,134.81x = 331,534,735,722,840,832 - Step 5: Solve for x
x = 331,534,735,722,840,832/653,583,134.81 - Step 6: Final answer
x = 507,257,176.74
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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.