Finding the Fourth Proportional to 559,970,830.80, 839,956,246.20 and 524,139,022.80
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Solution
The fourth proportional to 559,970,830.80, 839,956,246.20 and 524,139,022.80 is: 786,208,534.20
Step by Step Solution
- Step 1: Write the proportion equation
559,970,830.80 : 839,956,246.20 = 524,139,022.80 : x - Step 2: Convert to fraction form
559,970,830.80/839,956,246.20 = 524,139,022.80/x - Step 3: Cross multiply
559,970,830.80x = 839,956,246.20 × 524,139,022.80 - Step 4: Simplify right side
559,970,830.80x = 440,253,846,078,024,256 - Step 5: Solve for x
x = 440,253,846,078,024,256/559,970,830.80 - Step 6: Final answer
x = 786,208,534.20
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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.