Finding the Fourth Proportional to 367,497,065.55, 507,157,432.70 and 210,892,818.99
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Solution
The fourth proportional to 367,497,065.55, 507,157,432.70 and 210,892,818.99 is: 291,038,679.43
Step by Step Solution
- Step 1: Write the proportion equation
367,497,065.55 : 507,157,432.70 = 210,892,818.99 : x - Step 2: Convert to fraction form
367,497,065.55/507,157,432.70 = 210,892,818.99/x - Step 3: Cross multiply
367,497,065.55x = 507,157,432.70 × 210,892,818.99 - Step 4: Simplify right side
367,497,065.55x = 106,955,860,652,779,744 - Step 5: Solve for x
x = 106,955,860,652,779,744/367,497,065.55 - Step 6: Final answer
x = 291,038,679.43
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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.