Finding the Fourth Proportional to 581,409,271.58, 872,243,536.47 and 166,853,776.88
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Solution
The fourth proportional to 581,409,271.58, 872,243,536.47 and 166,853,776.88 is: 250,317,866.49
Step by Step Solution
- Step 1: Write the proportion equation
581,409,271.58 : 872,243,536.47 = 166,853,776.88 : x - Step 2: Convert to fraction form
581,409,271.58/872,243,536.47 = 166,853,776.88/x - Step 3: Cross multiply
581,409,271.58x = 872,243,536.47 × 166,853,776.88 - Step 4: Simplify right side
581,409,271.58x = 145,537,128,419,187,520 - Step 5: Solve for x
x = 145,537,128,419,187,520/581,409,271.58 - Step 6: Final answer
x = 250,317,866.49
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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.