Finding the Fourth Proportional to 435,497,765.20, 653,246,647.80 and 402,241,368.40
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Solution
The fourth proportional to 435,497,765.20, 653,246,647.80 and 402,241,368.40 is: 603,362,052.60
Step by Step Solution
- Step 1: Write the proportion equation
435,497,765.20 : 653,246,647.80 = 402,241,368.40 : x - Step 2: Convert to fraction form
435,497,765.20/653,246,647.80 = 402,241,368.40/x - Step 3: Cross multiply
435,497,765.20x = 653,246,647.80 × 402,241,368.40 - Step 4: Simplify right side
435,497,765.20x = 262,762,825,513,784,800 - Step 5: Solve for x
x = 262,762,825,513,784,800/435,497,765.20 - Step 6: Final answer
x = 603,362,052.60
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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.