Finding the Fourth Proportional to 435,497,743.20, 653,246,614.80 and 402,241,346.40
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Solution
The fourth proportional to 435,497,743.20, 653,246,614.80 and 402,241,346.40 is: 603,362,019.60
Step by Step Solution
- Step 1: Write the proportion equation
435,497,743.20 : 653,246,614.80 = 402,241,346.40 : x - Step 2: Convert to fraction form
435,497,743.20/653,246,614.80 = 402,241,346.40/x - Step 3: Cross multiply
435,497,743.20x = 653,246,614.80 × 402,241,346.40 - Step 4: Simplify right side
435,497,743.20x = 262,762,797,868,394,144 - Step 5: Solve for x
x = 262,762,797,868,394,144/435,497,743.20 - Step 6: Final answer
x = 603,362,019.60
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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.