Finding the Fourth Proportional to 478,479,353.19, 717,719,030.19 and 114,973,709.19
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Solution
The fourth proportional to 478,479,353.19, 717,719,030.19 and 114,973,709.19 is: 172,460,563.88
Step by Step Solution
- Step 1: Write the proportion equation
478,479,353.19 : 717,719,030.19 = 114,973,709.19 : x - Step 2: Convert to fraction form
478,479,353.19/717,719,030.19 = 114,973,709.19/x - Step 3: Cross multiply
478,479,353.19x = 717,719,030.19 × 114,973,709.19 - Step 4: Simplify right side
478,479,353.19x = 82,518,819,057,193,888 - Step 5: Solve for x
x = 82,518,819,057,193,888/478,479,353.19 - Step 6: Final answer
x = 172,460,563.88
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1.5x scale
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.