Finding the Fourth Proportional to 652,283,437.55, 899,808,115.97 and 387,777,305.75
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Solution
The fourth proportional to 652,283,437.55, 899,808,115.97 and 387,777,305.75 is: 534,928,754.61
Step by Step Solution
- Step 1: Write the proportion equation
652,283,437.55 : 899,808,115.97 = 387,777,305.75 : x - Step 2: Convert to fraction form
652,283,437.55/899,808,115.97 = 387,777,305.75/x - Step 3: Cross multiply
652,283,437.55x = 899,808,115.97 × 387,777,305.75 - Step 4: Simplify right side
652,283,437.55x = 348,925,166,899,300,544 - Step 5: Solve for x
x = 348,925,166,899,300,544/652,283,437.55 - Step 6: Final answer
x = 534,928,754.61
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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.