Finding the Fourth Proportional to 524,594,615.20, 787,395,807.60 and 266,101,712.80
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Solution
The fourth proportional to 524,594,615.20, 787,395,807.60 and 266,101,712.80 is: 399,408,165.82
Step by Step Solution
- Step 1: Write the proportion equation
524,594,615.20 : 787,395,807.60 = 266,101,712.80 : x - Step 2: Convert to fraction form
524,594,615.20/787,395,807.60 = 266,101,712.80/x - Step 3: Cross multiply
524,594,615.20x = 787,395,807.60 × 266,101,712.80 - Step 4: Simplify right side
524,594,615.20x = 209,527,373,053,899,264 - Step 5: Solve for x
x = 209,527,373,053,899,264/524,594,615.20 - Step 6: Final answer
x = 399,408,165.82
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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.