Finding the Fourth Proportional to 766,582,070.14, 1,149,872,973.90 and 242,319,197.44
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Solution
The fourth proportional to 766,582,070.14, 1,149,872,973.90 and 242,319,197.44 is: 363,478,754.65
Step by Step Solution
- Step 1: Write the proportion equation
766,582,070.14 : 1,149,872,973.90 = 242,319,197.44 : x - Step 2: Convert to fraction form
766,582,070.14/1,149,872,973.90 = 242,319,197.44/x - Step 3: Cross multiply
766,582,070.14x = 1,149,872,973.90 × 242,319,197.44 - Step 4: Simplify right side
766,582,070.14x = 278,636,296,193,394,080 - Step 5: Solve for x
x = 278,636,296,193,394,080/766,582,070.14 - Step 6: Final answer
x = 363,478,754.65
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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.