Finding the Fourth Proportional to 457,732,565.70, 686,598,848.58 and 134,616,437.70
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Solution
The fourth proportional to 457,732,565.70, 686,598,848.58 and 134,616,437.70 is: 201,924,656.56
Step by Step Solution
- Step 1: Write the proportion equation
457,732,565.70 : 686,598,848.58 = 134,616,437.70 : x - Step 2: Convert to fraction form
457,732,565.70/686,598,848.58 = 134,616,437.70/x - Step 3: Cross multiply
457,732,565.70x = 686,598,848.58 × 134,616,437.70 - Step 4: Simplify right side
457,732,565.70x = 92,427,491,124,761,296 - Step 5: Solve for x
x = 92,427,491,124,761,296/457,732,565.70 - Step 6: Final answer
x = 201,924,656.56
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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.