Finding the Fourth Proportional to 1,009,860,265.11, 1,514,941,858.95 and 354,695,815.11
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Solution
The fourth proportional to 1,009,860,265.11, 1,514,941,858.95 and 354,695,815.11 is: 532,096,920.80
Step by Step Solution
- Step 1: Write the proportion equation
1,009,860,265.11 : 1,514,941,858.95 = 354,695,815.11 : x - Step 2: Convert to fraction form
1,009,860,265.11/1,514,941,858.95 = 354,695,815.11/x - Step 3: Cross multiply
1,009,860,265.11x = 1,514,941,858.95 × 354,695,815.11 - Step 4: Simplify right side
1,009,860,265.11x = 537,343,537,500,160,256 - Step 5: Solve for x
x = 537,343,537,500,160,256/1,009,860,265.11 - Step 6: Final answer
x = 532,096,920.80
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1.5x scale
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.