Finding the Fourth Proportional to 413,409,070.99, 620,234,674.35 and 122,283,946.34
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Solution
The fourth proportional to 413,409,070.99, 620,234,674.35 and 122,283,946.34 is: 183,461,730.66
Step by Step Solution
- Step 1: Write the proportion equation
413,409,070.99 : 620,234,674.35 = 122,283,946.34 : x - Step 2: Convert to fraction form
413,409,070.99/620,234,674.35 = 122,283,946.34/x - Step 3: Cross multiply
413,409,070.99x = 620,234,674.35 × 122,283,946.34 - Step 4: Simplify right side
413,409,070.99x = 75,844,743,636,422,784 - Step 5: Solve for x
x = 75,844,743,636,422,784/413,409,070.99 - Step 6: Final answer
x = 183,461,730.66
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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.