Finding the Fourth Proportional to 1,147,765,537.80, 1,721,648,306.70 and 566,634,804.30
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Solution
The fourth proportional to 1,147,765,537.80, 1,721,648,306.70 and 566,634,804.30 is: 849,952,206.45
Step by Step Solution
- Step 1: Write the proportion equation
1,147,765,537.80 : 1,721,648,306.70 = 566,634,804.30 : x - Step 2: Convert to fraction form
1,147,765,537.80/1,721,648,306.70 = 566,634,804.30/x - Step 3: Cross multiply
1,147,765,537.80x = 1,721,648,306.70 × 566,634,804.30 - Step 4: Simplify right side
1,147,765,537.80x = 975,545,851,340,380,800 - Step 5: Solve for x
x = 975,545,851,340,380,800/1,147,765,537.80 - Step 6: Final answer
x = 849,952,206.45
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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.