Finding the Fourth Proportional to 869,066,358.99, 1,199,343,113.42 and 497,860,134.90
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Solution
The fourth proportional to 869,066,358.99, 1,199,343,113.42 and 497,860,134.90 is: 687,065,053.27
Step by Step Solution
- Step 1: Write the proportion equation
869,066,358.99 : 1,199,343,113.42 = 497,860,134.90 : x - Step 2: Convert to fraction form
869,066,358.99/1,199,343,113.42 = 497,860,134.90/x - Step 3: Cross multiply
869,066,358.99x = 1,199,343,113.42 × 497,860,134.90 - Step 4: Simplify right side
869,066,358.99x = 597,105,124,236,177,792 - Step 5: Solve for x
x = 597,105,124,236,177,792/869,066,358.99 - Step 6: Final answer
x = 687,065,053.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.