Finding the Fourth Proportional to 465,048,600.80, 697,572,901.20 and 310,080,405.20
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Solution
The fourth proportional to 465,048,600.80, 697,572,901.20 and 310,080,405.20 is: 465,120,607.80
Step by Step Solution
- Step 1: Write the proportion equation
465,048,600.80 : 697,572,901.20 = 310,080,405.20 : x - Step 2: Convert to fraction form
465,048,600.80/697,572,901.20 = 310,080,405.20/x - Step 3: Cross multiply
465,048,600.80x = 697,572,901.20 × 310,080,405.20 - Step 4: Simplify right side
465,048,600.80x = 216,303,687,860,635,584 - Step 5: Solve for x
x = 216,303,687,860,635,584/465,048,600.80 - Step 6: Final answer
x = 465,120,607.80
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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.