Finding the Fourth Proportional to 351,983,775.70, 527,975,663.55 and 328,095,903.70
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Solution
The fourth proportional to 351,983,775.70, 527,975,663.55 and 328,095,903.70 is: 492,143,855.55
Step by Step Solution
- Step 1: Write the proportion equation
351,983,775.70 : 527,975,663.55 = 328,095,903.70 : x - Step 2: Convert to fraction form
351,983,775.70/527,975,663.55 = 328,095,903.70/x - Step 3: Cross multiply
351,983,775.70x = 527,975,663.55 × 328,095,903.70 - Step 4: Simplify right side
351,983,775.70x = 173,226,652,464,044,384 - Step 5: Solve for x
x = 173,226,652,464,044,384/351,983,775.70 - Step 6: Final answer
x = 492,143,855.55
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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.