Finding the Fourth Proportional to 3,545,856,953.90, 5,318,785,430.85 and 3,497,484,013.10
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Solution
The fourth proportional to 3,545,856,953.90, 5,318,785,430.85 and 3,497,484,013.10 is: 5,246,226,019.65
Step by Step Solution
- Step 1: Write the proportion equation
3,545,856,953.90 : 5,318,785,430.85 = 3,497,484,013.10 : x - Step 2: Convert to fraction form
3,545,856,953.90/5,318,785,430.85 = 3,497,484,013.10/x - Step 3: Cross multiply
3,545,856,953.90x = 5,318,785,430.85 × 3,497,484,013.10 - Step 4: Simplify right side
3,545,856,953.90x = 18,602,367,013,507,072,000 - Step 5: Solve for x
x = 18,602,367,013,507,072,000/3,545,856,953.90 - Step 6: Final answer
x = 5,246,226,019.65
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1.5x scale
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.