Finding the Fourth Proportional to 758,286,208.90, 1,137,429,313.35 and 620,536,701.70
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Solution
The fourth proportional to 758,286,208.90, 1,137,429,313.35 and 620,536,701.70 is: 930,805,052.55
Step by Step Solution
- Step 1: Write the proportion equation
758,286,208.90 : 1,137,429,313.35 = 620,536,701.70 : x - Step 2: Convert to fraction form
758,286,208.90/1,137,429,313.35 = 620,536,701.70/x - Step 3: Cross multiply
758,286,208.90x = 1,137,429,313.35 × 620,536,701.70 - Step 4: Simplify right side
758,286,208.90x = 705,816,634,523,104,768 - Step 5: Solve for x
x = 705,816,634,523,104,768/758,286,208.90 - Step 6: Final answer
x = 930,805,052.55
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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.