Finding the Fourth Proportional to 465,048,663.30, 697,572,994.95 and 310,080,467.70
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Solution
The fourth proportional to 465,048,663.30, 697,572,994.95 and 310,080,467.70 is: 465,120,701.55
Step by Step Solution
- Step 1: Write the proportion equation
465,048,663.30 : 697,572,994.95 = 310,080,467.70 : x - Step 2: Convert to fraction form
465,048,663.30/697,572,994.95 = 310,080,467.70/x - Step 3: Cross multiply
465,048,663.30x = 697,572,994.95 × 310,080,467.70 - Step 4: Simplify right side
465,048,663.30x = 216,303,760,528,985,760 - Step 5: Solve for x
x = 216,303,760,528,985,760/465,048,663.30 - Step 6: Final answer
x = 465,120,701.55
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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.