Finding the Fourth Proportional to 708,753,180.80, 1,063,129,771.20 and 435,237,046.40
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Solution
The fourth proportional to 708,753,180.80, 1,063,129,771.20 and 435,237,046.40 is: 652,855,569.60
Step by Step Solution
- Step 1: Write the proportion equation
708,753,180.80 : 1,063,129,771.20 = 435,237,046.40 : x - Step 2: Convert to fraction form
708,753,180.80/1,063,129,771.20 = 435,237,046.40/x - Step 3: Cross multiply
708,753,180.80x = 1,063,129,771.20 × 435,237,046.40 - Step 4: Simplify right side
708,753,180.80x = 462,713,461,556,995,776 - Step 5: Solve for x
x = 462,713,461,556,995,776/708,753,180.80 - Step 6: Final answer
x = 652,855,569.60
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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.