Finding the Fourth Proportional to 869,256,614.60, 1,303,437,024.30 and 323,717,337.80
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Solution
The fourth proportional to 869,256,614.60, 1,303,437,024.30 and 323,717,337.80 is: 485,409,206.45
Step by Step Solution
- Step 1: Write the proportion equation
869,256,614.60 : 1,303,437,024.30 = 323,717,337.80 : x - Step 2: Convert to fraction form
869,256,614.60/1,303,437,024.30 = 323,717,337.80/x - Step 3: Cross multiply
869,256,614.60x = 1,303,437,024.30 × 323,717,337.80 - Step 4: Simplify right side
869,256,614.60x = 421,945,163,496,349,888 - Step 5: Solve for x
x = 421,945,163,496,349,888/869,256,614.60 - Step 6: Final answer
x = 485,409,206.45
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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.