Finding the Fourth Proportional to 524,652,071.05, 787,250,472.86 and 213,987,606.49
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Solution
The fourth proportional to 524,652,071.05, 787,250,472.86 and 213,987,606.49 is: 321,092,498.61
Step by Step Solution
- Step 1: Write the proportion equation
524,652,071.05 : 787,250,472.86 = 213,987,606.49 : x - Step 2: Convert to fraction form
524,652,071.05/787,250,472.86 = 213,987,606.49/x - Step 3: Cross multiply
524,652,071.05x = 787,250,472.86 × 213,987,606.49 - Step 4: Simplify right side
524,652,071.05x = 168,461,844,395,432,128 - Step 5: Solve for x
x = 168,461,844,395,432,128/524,652,071.05 - Step 6: Final answer
x = 321,092,498.61
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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.